Answer:
Populations have variation in traits due to random mutation, crossing over and environmental conditions.
I have no idea
You play RL?
A Trombe wall (Trombe rhymes with prom, by the way) is a wall that warms trapped air, and then circulates it to help heat a house. Trombe walls are ideally made out of a material with a fairly high thermal mass materials (like bricks or concrete), and are often painted black to improve heat conduction
Answer:
Lg and dp went up and dg and lp went down
Explanation:
Answer:
all of the above can lead to increase in nitrogen