Describe the advantage of broad-leaved trees losing their leaves as winter sets in and the advantage of needle-leaved trees keeping their leaves if they are in poor soil

Answer:

The advantage of shedding broad leaves in the winter is to conserve the energy that needs to expand in order to provide heat to each part of the plant including leaves as in winters it becomes very dry and cold. If they do not shed their leaves they have to spend more energy to spend energy on leaves.

Needles like leaves have a thick cuticle layer that prevents from losing water in dry conditions or conditions with a limited amount of water in the soil. These leaves also help in photosynthesis by capturing more sunlight as they have a larger surface area. These adaptions can live in poor soil, rain and snowy conditions.

25 POINTSSS AND BRAINLY THE SELECTED ANSWER IS WRONG BTW

please help i’ll give brainliest

free interesting facts about Jordan creek springfield missouri

no links please​

I need help ...please seriously

What is the role of the nervous system in the body?
A.To protect other organs and tissues
B.To send messages using blood cells
C.To gather and respond to information
D. To transport oxygen and carbon dioxide

NEED HELPPPPPPPPPPPPP

Which is the meaning of the Latin root "terra"?
1.time
2. earth
3. end
4.sea

A student was asked to prepare a model of the rock cycle as it moves matter slowly through the Earth. The student creates a model,
as shown here. In order to revise the model, how should the lettered components be modified in order to create an accurate model?
Select all choices that apply
es )
A)
Letter A should represent igneous rock that is extruded from magma,
B)
Letters A and B should both be igneous rock, which is found near the
Earth's surface.
C)
Letters and B should be sedimentary rock, which is found under layers of
other materials
D)
Letter C should represent metamorphic rock which changes composition
under heat and pressure.
E)
Letter B should represent sedimentary rock that is buried by layers of sand
and deposited material.

Una persona sana necesita 1500 cal diarias para mantener su peso y su actividad rítmica normal ¿Cuántos J se obtendrá en 18,5 horas?

How does biological fitness relate to an organism's ability to survive and
reproduce? *

PLEASEEE HELP ASAP! BRAINLIST GETS 80 POINTS!!!!!!!!!!

04.02 Environmental Resources Lab Report

Instructions: For this lab, use the lab report to record your information. You will submit your completed lab report.

Note: If you cannot complete this lab as directed, please contact your instructor for assistance.

Name and Title:
Include your name, instructor's name, and date.

Introduction
To improve your soil, you should first know what you’re starting with. In this lab, you will sample local soil to determine its composition and pH range.

Materials
• Distilled water
• Metric ruler
• Small zipper storage bag
• Soil from the yard, garden, or other local source
• Jar with tightly fitting lid (tall and skinny would be best)
• Small digging tool
• pH strips (available at hardware and pool supply stores) or vinegar and baking soda

Pre-lab Questions
1. Describe soil particles (sand, silt, and clay) in term of size and texture.
2. If soil is too acidic, what substance is usually added? If soil is too alkaline, what substance is usually added?
3. Why are soil composition and pH important to know?

Hypothesis
Predict what type of soil you think is in your local area (mostly sand, silt, clay, or mixed) and if it more acidic, more alkaline, or neutral.

Procedure

Obtaining soil samples for your jar and resealable bag
1. Take your jar, resealable bag, and digging tool into your garden or yard. Use the digging tool to dig a hole 3–6 inches deep. Take your soil sample from the soil at this depth.
2. Place approximately one cup of soil into the resealable bag, squeeze the air out of the bag, and zip it shut (you will use this soil later in the lab).
3. Dig up additional soil and fill the jar to approximately 1/4 full of soil. Take everything back inside to your work area.
Note: To avoid making a mess, it is best to work on a covered surface (for example, a kitchen counter covered with old newspaper or plastic wrap).
4. Fill the remaining space in the jar with water, and screw the cap on tightly (see Figure 1, below).
5. Shake the jar so that the dirt is totally dispersed through the water (see Figure 2, below). Set down the jar and allow the shaken contents to settle completely (see Figure 3, below). Leave it undisturbed overnight while you test the texture and pH of the soil in your resealable bag.

Note: Do not pick up the jar. Doing so will begin to mix the contents again.

Figure 1 Figure 2 Figure 3

Fill jar 3/4 full of water and 1/4 full of soil. With the lid on tightly, shake the jar well until the soil and water have mixed thoroughly. Let the jar sit. Materials will begin to settle out and form layers.



Testing texture and pH of the soil in your resealable bag
1. While you wait for the soil and water sample to settle in the jar, you can test the texture of the sample in the resealable bag. First, remove a small amount and moisten it slightly to test the texture. Record your observations in the Data and Observations section.
a. Rough and gritty soil that barely sticks together is sand.
b. Loams (mixtures of clay, silt, and sand) feel medium-textured.
c. Smooth and sticky fine textures indicate clay.
2. Next, test the pH using one of the following methods:
a. If you have pH strips: To test with pH strips, place the soil sample in a small bowl or container and add a small amount of distilled water. Add just enough water to make the soil slightly liquid, like a milkshake consistency. Dip the pH strip in and compare it to the color identification provided with the test strips. Record your data in the Data and Observations section.
b. If you do not have pH strips: Use vinegar and baking soda instead. To do this, split the sample into two containers. Add a half cup of vinegar to the first sample of soil, mix gently, and watch to see if it bubbles or fizzes. If it does, it is alkaline. In the second container, add a half cup of distilled water to the soil and mix gently. Then add a half cup of baking soda. If there is a reaction of bubbles or fizzing, the soil is acidic. If neither sample has a reaction, the soil is neutral. Record your data in the Data and Observations section.

Testing soil sample in your jar
1. For the sample in the jar, wait until after the contents have settled and you can see several different-colored layers. In addition, you may see some material floating at the top of the water. You may also see that the water is still clouded with some particles.
2. Measure the total thickness of the soil in the jar after it settles. Record this measurement (in centimeters) in the data table.
3. Observe the settled dirt carefully. There should be distinct layers of soil. The bottom will be your sand layer (largest particles fall out first), then clay or silt, depending on the kind of soil you have. Carefully measure the thickness of any layers of soil seen in your jar. Record your measurements in centimeters (cm) in the data table. Also record the color of each layer.

What type of chemical bond exists between two water molecules

____ The bristle worm living with the hermit crab.
A. Mutualism
B. Commensalism
C. Parasitism

Human ovaries play an important role in reproduction. Which part of a
plant contains structures similar to human ovaries? (A)flower (B)leaf (C)stem (D)root

Help please at least two sentences

Which organisms in this food web have a Producer/Consumer
Relationship?

How do shifting seasons occur?

What do these gases form in the atmosphere that is detrimental? How does this then negatively affect plants, animals and the environment?

referring to: Sulfuric acid and Sulfur trioxide.

What is the main challenge astronomers face when trying to directly detect black holes? (1 point)
Black holes are too black
Black holes are empty.
Black holes trap all light.
Black holes are too small.

1. What helped Philip Gingerich decide what kind of fossil he found?

Help will give brainlest

What can easily pass through the cell membrane?
What cannot pass through the cell membrane?
In passive transport, molecules, move ______the concentration gradient.

How are flowering plants and conifers alike? A.They both have incomplete flowers. bThey both make fruits. cThey both reproduce by means of seeds. dThey both have leaves that look like thin needles

Ryder needs to determine the missing term in this set: sperm, egg, zygote, ________ Which term best completes the set?

A geothermal power plant is like a regular power plant except that no fuel

is burned to heat 3. _____________ into 4.______________. The steam in a geothermal

power plant is heated by the Earth. Like other power plants, they use many of the same

components including 5. ____________________, 6. ____________________ and other

standard power operating equipment.​

Human reproduction takes place as internal fertilization by sexual intercourse. During this process, the erect penis of the male is
inserted into the female's until the male ejaculates semen, which contains sperm.
es )
A)
cervix
B)
ovaries
uterus
D)
vagina

If glycerol is the same in all lipids why is corn oil different from coconut oil?​

Which of the following is a physical adaptation for the underlined animal?

DYNAMITE: C7H5(NO2)3

How many total atoms are there in one molecule of dynamite?

a
19
b
18
c
17
d
21

what is the difference between emphysema and chronic bronchitis? Thanks.