Because it is polar and it is to large to cross the membrane and because the concentration gradients are to strong so they have to be diffused.
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<span>The theory puts forward the concept that chloroplasts were developed from one form of prokaryotic organisms taken up inside a primordial eukaryotic cell. This is an organism form that uses light energy to divide, this part of its processes became the chloropplast whilst another formed the origin of mitochondria.</span>
Answer:
countries with higher populations are likely to use more resources
Explanation:
The vastness of the threats to the ecosystem is directly linked to human population size and resource uses per person. Resource use, waste production and environmental degradation are accelerated by population growth.
Answer: The Troposphere
Explanation:
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Shock (circulatory) Shock is the state of not enough blood flow to the tissues of the body as a result of problems with the circulatory system.
