Answer:
Selective Optimization With Selection.
Explanation:
It is known that this theory was widely known from 1980s and was postulated by a man called Baltes. Baltes here argued that as individuals advance through life they are increasingly faced by age related deficits which place limits on their cognitive and behavioral resources. Tackling these limits placed on domains, individuals will begin to invest resources into particular styles and behaviors that are deemed adaptive to the new constraints.
They are made of DNA so it's B
Answer:
Explanation:
1.Variation is the result of speciation as species have evolved over time to adapt to enviromental changes
Answer:
Groundwater is all the water that has penetrated the earth's surface and is found in one of two soil layers. The one nearest the surface is the <u>"zone of aeration"</u>, where gaps between soil are filled with both air and water. Below this layer is the "zone of saturation", where the gaps are filled with water.
Explanation:
Groundwater is the water found underground in the cracks and spaces in soil, sand and rock. It is stored in and moves slowly through geologic formations of soil, sand and rocks called aquifers.
<u><em>Hope this helps!</em></u>