Geologic Time Scale.Scientists decide when an era begins<span> and </span>ends<span>, due </span>to<span> mass extinction. ...</span>Scientists determine<span> when drastic changes </span>are<span> made by the fossil record, which shows earths past organisms that have become extinct.</span>
A blue line indicates that there is water running through the valley. If there is not a blue line the V pattern indicates which way water flows.
Answer:
that carnivorous plants will invest more energy in nutrient uptake from the soil and less energy in prey capture whenever possible.
Integral proteins are embedded in the phospholipid layer, and can sometimes form protein channels that let ions and other small molecules through.
Answer:
B
Explanation:
When deforestation takes place, it heats up the atmosphere causing more global warming.