Explanation:
Positive feedback occurs to increase the change or output: the result of a reaction is amplified to make it occur more quickly. Negative feedback occurs to reduce the change or output: the result of a reaction is reduced to bring the system back to a stable state.
Answer:
Sand, Silt and Clay
Explanation:
The sand is most coarse so it deposits easier and more often than the clay being finest, but there would still be clay just less of it than sand
Answer:
B
Explanation:
They altered rocks into soil that was able to support simple plants such as grasses. This is an example of altering the environment around them to make it more habitable for other species.
