Answer:
I am pretty sure it is B, weathering and erosion. Hope this helps!
Answer:
One important relationship is the spread of seed either when a organism consumes it or touches it
Explanation:
if a bird were to eat some fruit and seeds happen to get inside the bird when eating, when the bird poops seeds may come out as well spreading them to different area if the bird has not traveled
I think the answer would be protons
The answer is D. I hope it helps