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Natalka [10]
3 years ago
13

You have been asked to help a top nutrition researcher conduct human experiments on vitamin

Biology
1 answer:
Tems11 [23]3 years ago
7 0
Give the real pills and placebo pills to both the girls and the boys.
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What do you think will happen to an egg after being in water for three days? Be sure to give a reason for your hypothesis.
Juli2301 [7.4K]
I wouldn’t think anything would happen because the egg has a shell. I would imagine that the shell is unlike a cell membrane because its job is to not allow substances in. Accordingly, it would not have any properties of a cell membrane; low permeability and protein channels absent would mean that processes such as osmosis, diffusion, active transport wouldn’t be possible. Effectively, water can’t move in or out so the egg won’t shrink and shrivel up or swell and burst due to the movement of water out or into the egg (cell) respectively.
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3 years ago
If a cannon is fired from the front of a boat, the boat will drift backward. Which one of Newton´s laws best describes this moti
Rama09 [41]
Newtons third law of motion
3 0
3 years ago
Explain the functions of a nervous system
nika2105 [10]

Answer:

It has 3 main functions

1.Sensory. The sensory function of the nervous system involves collecting information from sensory receptors that monitor the body’s internal and external conditions.

2.Integration. The process of integration is the processing of the many sensory signals that are passed into the central nervous system at any given time. These signals are evaluated, compared, used for decision making, discarded or committed to memory as deemed appropriate.

3.Motor. Sends a signal to the Corresponding effector then releases a hormone or moves a part of the body to respond to the stimulus.

3 0
3 years ago
Which of the following causes the jet stream?
lakkis [162]
A jet stream forms high in the upper troposphere between two air masses<span> of very different temperature. The greater the temperature difference between the air masses, the faster the wind blows in the jet stream. 
</span>.
.
So "Differences in temperature between two air masses" is the answer
7 0
3 years ago
What is the dependent variable that impacts the amount of solar energy in a location?
KIM [24]
The answer is latitude
6 0
2 years ago
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