Which is an appropriate tool for viewing small organism

A microscope would be the best tool for viewing small organisms.

Explanation:

The microscope can zoom into many tiny organism including cells, if you were looking for a specific type...

The light microscope and electron microscope are the best for viewing the tiniest of objects.

humans can cause extinction of a species through overharvesting, pollution, habitat destruction, introduction of invasive species (such as new predators and food competitors), overhunting, and other influences. explosive, unsustainable human population growth is an essential cause of the extinction crisis.

explanation:

i didn't have the answer choices , but i tried my best.

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.