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3 years ago

How do these materials provide the plant with energy

1 answer:

6 0

Photosynthesis is a natural process by which trees and plants use energy from the sun and carbon dioxide from the air to make the food they need to live and grow. At the same time, the leaves or needles absorb carbon dioxide from the air. These raw materials flow to plant cells containing chlorophyll.

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What revision to their initial hypothesis did they come up with

Mila [183]

The statement "The writer always states the hypothesis at the beginning of a scientific paper" is True.
A hypothesis is a supposition made by the scientist. In order for a hypothesis to be a scientific hypothesis, the scientific method requires for it to be tested. If a hypothesis cannot be tested, it cannot be scientific hypothesis. It is important to state the hypothesis clearly at the beginning of a scientific paper. This enables the reader to understand the problem.

5 0

3 years ago

Why is the velocity (linear speed, i.e. distance traveled per unit time) slow in an individual capillary, but the total flow (vo

larisa [96]

Answer:

There is no short answer.

Explanation:

The blood flow speed in the aorta is about 30cm/s whereas in the capilaries it is around 1-1,5 mm/s. The reason why this is happening is because the capilaries are much smaller and thinner than the aorta and they are not as durable to those conditions. The total blood flow is the same but the rate is not so that the blood pressure can be kept in balance throughout the whole body.

I hope this answer helps.

8 0

3 years ago

Please help!! Im gussing it’s either Y or Z

kakasveta [241]

Answer:

The answer is Y

Explanation:

Trust me I've done this before

4 0

3 years ago

Select the cues that indicate that an animal is about to give birth. cervix dilates mucus strings from vulva placenta is deliver

Svetradugi [14.3K]

Answer:

The four stages of labor:

The first stage of labor

In the first stage of labor the Thinning (effacement) and opening (dilation) of the cervix. This is called effacement and dilation(of the cervix).

The process is explained systematically and its very very simple to say that When the cervix dilation happens and mucus strings from vulva placenta is delivered then the child birth is near.

Explanation:

The first stage of labor has three parts:

Early labor:The cervix opens to 4 centimeters. The female will probably spend most of early labor at home. The female should keep herself busy in doing her usual activities. Relax, rest, drink clear fluids, eat light meals if she wants to, and keep track of her contractions.
Active labor: The cervix opens from 4 to 7 centimeters. This is when the female should head to the hospital. When she has contractions every 3 to 4 minutes and they each last about 60 seconds, it often means that the cervix is opening faster (about 1 centimeter per hour).
Transition to second stage: The cervix opens from 7 to 10 centimeters. For most women, this is the hardest or most painful part of labor. This is when the cervix opens to its fullest.

Second stage of labor

The baby moves through the birth canal

The second stage of labor begins when the cervix is completely dilated (open), and ends with the birth of the baby. Contractions push the baby down the birth canal, and the female may feel intense pressure, similar to an urge to have a bowel movement.

Third stage of labor

Afterbirth: The uterus continues to contract to push out the placenta (afterbirth).

Fourth stage of labor

Recovery:Nursing right after the birth of the baby will help the uterus to contract and will decrease the amount of bleeding.

4 0

4 years ago

what might happen if the hypothalamus malfunctions and stop sending chemical signals to the pituitary?

Umnica [9.8K]

Answer:

If the hypothalamus malfunctions and stops sending chemical signals to the pituitary, hormones may not be released by the pituitary.

6 0

3 years ago