Continual questioning of observations.
A) One species always outcompetes the other until only one species remains.
Answer:
pancreas
Explanation:
beta cells of the pancreas produce insulin
Answer:
I believe it will be D. all of the above.
Explanation:
Once the rock has been weakened and broken up by weathering it is ready for erosion. Erosion happens when rocks and sediments are picked up and moved to another place by ice, water, wind or gravity. Mechanical weathering physically breaks up rock. One example is called frost action or frost shattering.