Which statement is true about water molecules?

A) The hydrogen atoms do not share electrons.
B) Water molecules cannot dissolve many substances.
C) The oxygen atom has a negative charge.
D) Water molecules move randomly around each other.

Answers

Answer 1

Answer: D

Explanation:


Related Questions

Patulong poooo G11 only​

Answers

Answer:

cool

Explanation:

How might the Earth's surface change because a volcano erupts?

Answers

Volcanic eruptions might change because the molten rock or magma will escape the earths crust and form rocks and mountains on the surface.

What are the main characteristics of epithelial tissues?
they compose glands
they contain blood vessels
they cover the body surface
they form the inner lining of body cavities
they line hollow organs

Answers

Answer:

Despite there being many different types of epithelial tissue all epithelial tissue have just five characteristics, these are cellularity, polarity, attachment, vascularity, and regeneration. Cellularity as the name suggests means that the epithelium is made up almost entirely of cells.

The main characteristics of epithelial tissues includes: they compose glands, cover the body surface, form the inner lining of body cavities and line hollow organs.

What is tissue?It is a group of cells having same structure and function.It includes: connective tissue, epithelial tissue, nervous tissue and muscle tissue.What is epithelial tissue?It covers the body surfaces.These are avascular, meaning they do not contain blood vessels.Glands are made up of epithelial tissues.They lines the body's inner cavity and hollow organs.It helps in movement of molecules across the its surfaces.It functions in absorption, secretion and protection.

Hence, the correct options are: They compose glands, they cover the body surface, they form the inner lining of body cavities and they line hollow organs.

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At which of these times would you find most starch in a leaf

At the start of the day

In the middle of a day

At the end of a day

Answers

In the middle of the day

A bat is a mammal even though it flies in air. Why?​

Answers

Answer

Bats are true mammals in that they give birth to live young, produce milk to feed their young, have hair, and they are warm-blooded (they can self-regulate their body temperature). ... Bats use their wings to fly, and they often use them to catch their prey, mostly flying insects.

Answer:

Flying Mammals

Explanation:

Bats are true mammals in that they give birth to live young, produce milk to feed their young, have hair, and they are warm-blooded (they can self-regulate their body temperature). Bats are unique among mammals in that they can fly. Even though they can fly, they have mammal characteristics.

Which of the following is a way that minerals are used?
a industry
b. construction
c. technology
d. all of the above
Please select the best answer from the choices provided
Ο Α
OB
Ос
OD

Answers

Answer:

Your answer is all of the above, D.

Explanation:

All of the above are ways that minerals are used.

The ways by which minerals are used are as follows:

industryconstructiontechnology

WHAT ARE MINERALS?

Minerals are naturally occurring substances with a definite chemical composition.

Minerals are got from the Earth crust and they include;

iron oreGoldSilverCrude oil

These minerals are used in various ways by industries, construction companies and technology etc.

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homologous chromosomes separate from each other during

Answers

Answer:

In anaphase I of meiosis I the homologous chromosomes are pulled apart from each other.

Explanation:

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The free-floating ribosomes synthesize proteins to be exported outside the cells.
True
False

Answers

it’s trueeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee

A scientist looks at lung tissue under a microscope. Which level of
organization is simpler than lung tissue?
A. The respiratory system
B. The organism
C. Lung organ
D. Lung cells

Answers

Answer:

D. Lung cells

Explanation:

There are many organizations of living things and parts of living things. From simplest to complex the levels are: cells, tissue, organ, system, organism. So, if you have lung tissue then the only simpler organization is cells. These are simpler because cells are what make up tissue, just as tissue makes up organs. Through the levels, the more simple something is then the smaller it is, relatively.

Think of another common object around your house or school that you could use to model a cell. Describe the object. Based on its characteristics, does the object best model an animal cell, a plant cell, or a bacteria cell? Why?

Answers

Use a egg. It resembles a cell it best resembles a animal cell and that’s because it is from an animal but look up whats inside egg and talk about it.

Answer:

Out of all the objects I found I think a car represents a cell the best.

Explanation:

The structure a cars body provides makes it comparable to a cell wall and the car's metal body is also represents a cell wall because it maintains its shape even when it travels at high speeds. The windshield and windows can be compared to plasma membranes, since they protect the inside of the car from invaders (like insects). The gas tank represents the vacuole because it holds the energy source for the car, and the engine represents the mitochondria because it is the power house of the car

Give me an example of seedless vascular plants...​

Answers

Mosses,Hornworts,Liverworts

Explanation:

Seedless vascular plants embrace ferns,Horsetails and club mosses.

Answer:

mosses,liverworts

Explanation:

how many human traits are controlled by a single gene?

Answers

Answer:

Traits controlled by a single gene with more than two alleles are called multiple allele traits. An example is ABO blood type. There are three common alleles for this trait, which can be represented by the letters A, B, and O.

These types of consumer relationships can affect the size of prey and plant populations in a community and determine the places these prey and plant species live. For example, certain plants only grow in steep hillside in a habitat because they are eaten near the stream in the valley, or deer live in the forest to better hide from wolves in the open fields.
a. Parasitism and Commensalism
b. Mutualism and Herbivory
c. Predation and Parasitism
d. Predation and Herbivory

Answers

I think the answer is b because the plant would grow on the side of the land because of mulualiam and that is the spreading of seeds in a plant that was left behind

Drag each tile to the correct location,
Classify the hypotheses about the dwarf planet Pluto as falsifiable or non falsifiable,
Pluto's surface is made
mostly of frozen
nitrogen
Pluto has an unpleasant
climate
Pluto's orbit is slowing down
due to tidal friction,
Pluto's landscape is dull and
boring compared to other
dwarf planets in its vicinity,
Falsifiable
Non-Falsifiable

Answers

The hypotheses about the dwarf planet Pluto can be divided into the following:

Non-falsifiable

Pluto has an unpleasant climate.Pluto's landscape is dull and boring compared to other dwarf planets in its vicinity.  

Falsifiable

Pluto's surface is made mostly of frozen nitrogen..Pluto's orbit is slowing down due to tidal friction.What is Falsifiable and Non-falsifiable hypotheses?

Falsifiability is the capability for some proposition, statement, theory or hypothesis to be confirmed wrong. That capacity exists as an important component of the scientific approach and hypothesis testing. In a scientific context, falsifiability exists sometimes regarded synonymous with testability.

The falsifiable hypothesis can be denied by tests done with the most delinquent technology. The non-falsifiable hypotheses on the other hand can't refuted as tests have confirmed them to be true.

Hence,

The hypotheses about the dwarf planet Pluto can be divided into the following:

Non-falsifiable

Pluto has an unpleasant climate.Pluto's landscape is dull and boring compared to other dwarf planets in its vicinity.  

Falsifiable

Pluto's surface is made mostly of frozen nitrogen..Pluto's orbit is slowing down due to tidal friction.

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Join a glucose and fructose molecules in order to form a sucrose molecule. It
will be necessary to remove an -OH from one molecule and an -H from
another in order to join the molecules. Does this enable the two molecules to
be joined together? Yes or No?

Answers

Answer:

d

Explanation:

Two things acting upon each other

Answers

Answer:

The meaning of force? or gravity pulling the object towards the Earth.

How do meiosis I and II contribute to genetic variation?

Answers

The duplicated chromatids stay connected and joined during meiosis 1, each daughter cell only receive one chromosome from each homologous pair

Name THREE broad areas in which water may be used
in society.

Answers

Answer:

Agricultural, Commercial, Public, and Domestic

The three main areas where water may be used in a society is agricultural, domestic and household activities.

What are uses of water?

Our communities rely heavily on water to function. There wouldn't be any local commerce or industry without water. Public swimming pools, city parks, and firefighting all require a lot of water.

To deliver a consistent supply of water to our taps each day, a variety of pipes, canals, and pumping stations operated by our public water systems are necessary.

Every day at home, the typical American household uses more than 300 gallons of water. About 70% of this use takes place indoors.

Therefore, The three main areas where water may be used in a society is agricultural, domestic and household activities.

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All of the following occur during RNA processing EXCEPT______________A) a protective cap is added on the 5' end of the pre-mRNAB) a tail of many adenine nucleotides is added to the 3' end of the mRNAC) the exons and introns are both removed from RNA

Answers

During RNA processing, a protective cap is added to the 5' end of the pre-mRNA, a tail of many adenine nucleotides is added to the 3' end, and only introns are removed. The correct option is C.

The pre-mRNA synthesized during transcription undergoes some processing before being ready for translation.  The first thing is the addition of a protective cap to the 5' end and the modification of the 3' end by the addition of a long string of adenine nucleotides.

Thereafter, the pre-mRNA is spliced to remove non-coding sequences, also known as introns. The coding sequences (exons) are joined afterwards before the mRNA is ready to be translated.

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Where does the plant originally the energy to make glucose?

Answers

Answer:

the sun and their leaves

Explanation:

LEAVES

Explanation:

During photosynthesis, plants trap light energy with their leaves. Plants use the energy of the sun to change water and carbon dioxide into a sugar called glucose.

3. What is the main stream of the Mississippi River
system?

Answers

Answer:

The Mississippi river water source is fed by Lake Itasca in Northern Minnesota.

why do you organisms need to take food?​

Answers

Organisms need to take food to get energy and perform life processes. A living organism undergoes many life processes like nutrition, respiration, digestion, transportation, excretion, blood circulation, and reproduction. ... The energy to the organism is supplied through food.

A student uses gummy worms to model the process of mitosis. The model is shown below.
Using the model, which statement correctly explains how mitosis preserves genetic continuity?
A
The daughter cells receive chromosomes that are recombined from the parent cells.
B
The daughter cells receive chromosomes that are identical to the parent cell.
С
Each daughter cell receives half of its chromosomes from each of the parent cells.
D
Each daughter cell receives twice as many chromosomes as the parent cell.

Answers

c should be your answer for the question

Each developing daughter cell obtains one set of chromosomes when mitosis comes to a finish. Thus, option C is correct.

What is genetic continuity of Mitosis?

According to the definition of mitosis, a cell divides into two so that each has the same amount of DNA as the original cell by dividing its nucleus and DNA.

When a single cell divides into two cells through mitosis, genetic continuity occurs.

One cell divides into two during the process of mitosis, and each of the two progeny cells has the same amount of DNA as the parent cell.

As the cell divides through the cytokinesis process, the nuclear membranes come back. Mitosis maintains genomic stability throughout successive generations of cells in this manner.

Therefore, Each daughter cell receives half of its chromosomes from each of the parent cells

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Joe, age 14, recently fractured his forearm midway between his wrist & elbow. Should his physician be concerned about his epiphyseal plate being affected and causing bone growth to stop?

Answers

Joe's doctor must be concerned that his bone growth will be hampered by damage to the epiphyseal plate.

We can arrive at this answer because:

The epiphyseal plate is a set of cartilage present at the end of long bones, such as the bones present in the forearm.The epiphyseal plate is responsible for the longitudinal and lateral growth of the bone.This growth occurs during childhood and adolescence, for this reason, it is essential to maintain the good integrity of this plaque during this time of life.

In the case of Joa, who is still a teenager, a fractured forearm can damage his epiphyseal plate and affect his body's bone growth, so his doctor should be concerned about this.

It is important to note that during adult life, the epiphyseal plate is replaced by an epiphyseal line.

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If 2x 2 + 13x – 7 = 0, then x could equal to which of the following?

Answers

Answer:3/13

Explanation:

Answer:

x = 1/2 and x = -7

Explanation:

you need to factor

multiply 2 x -7 to get -14

then find factors of -14 that add to give you 13

14 and -1 work

now rewrite the original equation but replace 13x with 14x - 1x

so 2x^2 + 14x - 1x -7 = 0

now factor by grouping

(2x^2 + 14x) (-1x - 7) = 0

factor the greatest common factor out of each group

2x(x + 7) -1(x + 7) = 0

the factors are (2x - 1) (x + 7) = 0

set each factor equal to zero and solve both for x

2x - 1 = 0                    x + 7 = 0

    +1    +1                       - 7   - 7

2x = 1                           x = -7

÷2  ÷2

x = 1/2

2. Write the molecular formula of following Magnesium Chloride, Sodium chloride, potassium nitrate, hydrogen oxide ​

Answers

Explanation:

Magnesium Chloride : MgCl2

Sodium chloride : NaCl

Potassium nitrate : KNO3

Hydrogen oxide : H2O2.

hope this helps you.

Theophrastos was considered the "Father of Botany" as early as:

Answers

Answer:

the approximate year: 300 B.C.

Explanation:

kamsamida harigatu

the nerve impulse is an electrical current that travels along dendrites or axons.

Answers

Answer:

i think your answer is true! :)

Explanation:

The statement: The nerve impulse is an electrical current that travels along dendrites or axons is true.

Dendrites are the branched projections of a neuron that receive signals (chemical or electrical) from other neurons or from sensory cells. They are often referred to as the input zone of the neuron, as they receive and integrate incoming signals from other neurons.

A nerve impulse is an electrical signal that travels along the dendrites or axons of a neuron. When a neuron is stimulated, it generates an electrical charge that spreads along its membrane, causing an action potential.

This electrical signal then travels along the axon of the neuron, where it can be transmitted to other neurons or to muscle cells or glands. The speed at which the nerve impulse travels can be influenced by factors such as the diameter of the axon, the presence of myelin sheaths, and the concentration of ions inside and outside of the neuron.

Therefore, the mentioned statement about the nerve impulse is true.

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Which question could be tested in a scientific manner?
What causes some people to be color-blind?
Why should people be nice to other people?
Why is the color purple better than the color red?
What are the best

Answers

Answer:

A. What causes some people to be color-blind?

Explanation:

This is something that could be tested with different variables including DNA, or past family medical history.

Explain how the model of the chemical reaction above demonstrates that matter is conserved.

Answers

Answer:

Matter cannot be created or destroyed in chemical reactions. This is the law of conservation of mass. In every chemical reaction, the same mass of matter must end up in the products as started in the reactants. Balanced chemical equations show that mass is conserved in chemical reactions

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