Biotic factors in any ecosystem include . A.) wind, weather, and plants
B.)air, water, soil, and temperature
C.)plants and animals
D.) All of the above

All of the aboveis not correct Plants and animals bc i just learned that I believe?

answer:   option a) glucagon was secreted by his pancreas before he ate the cookies because blood glucose was low. insulin was secreted after he ate the cookies because his blood glucose was high.

explanation:

i'm thinking (a) to keep sand in place; ////////////

explanation: a sand fence or sandbreak, like a snow fence, is used to force windblown, drifting sand to accumulate in a desired place. sand fences are employed to control erosion, sand dune stabilization, keep sand off roadways, and to recruit new material in desert areas.