A. is your correct answer
Well it really depends on what kind of change there is. For this I'll use a drought as an example. If a drought occurs in an area the plant life and vegetation will start to die off in that area. From there, primary consumers would run out of food. then secondary consumers, and so forth and so on. it'd be like putting a cow in a field of dirt with no food and a large bucket of water. Eventually the cow will die of starvation. Now apply this to all of the animals in that ecosystem.
As Brandon climbs the mountain, he is getting into thinner and thinner air (air pressure is decreasing). All other things held constant, decreasing air pressure means decreasing temperature. As the air pressure decreases, particles get further apart and lose energy as they move about and collide into one another less and less frequently.
Glycogen is basically a multi-branched polysaccharide of glucose that serves as a form of energy storage in animals.
The sub-unit is glucose.
Answer:
Explosive volcanism. Part of hall planet earth. Most explosive eruptions occur in volcanoes above subduction zones , where tectonic plates dives beneath the other .
Explanation:
<em><u> Eighty to 120km below the surface, magma forms when the rocks of the mantle melt just above the subducting plate.</u></em>
