Open with I
Explain how biotic and abiotic factors can positively and negatively impact
an organism. Give 2 or more examples of positive and negative impact.

Abiotic factors are not alive but still have power, water helps us live and keeps us hydrated but can drown us, the sun gives us heat and light, but over exposure can burn us or give us skin cancer.

Biotic factors are living they are like you and me, they can be used for energy and be eaten but they can also fight back and hurt us for trying to consume them, we also use biotic factors for companoinship but if that factor leaves us we can fail to produce chemicals in our bodies and eventually die by lack of species like us.

Explanation:

the answer would be 3

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.