It is environmental science

The main biome in Alaska is Tundra.

Explanation:

According to the map the state Alaska's main environment is covered in light blue which in this case indicates the tundra biome. In case you were not aware Alaska is the northwestern most region.

I hope this helps! :D

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.

we need additional information in order to determine the cause of death for anna garcia. there are at least 3 things with explanation included as to why we need them are as follows: