Which type of transport takes place when a protein allows an ion to enter a cell without using energy ?

Why might surface mining be less risky for miners than underground mining? a. surface miners can become trapped in a collapsed mine. b. surface miners work in dusty, enclosed areas. c. surface miners work aboveground. d. surface miners use elevators to enter mines.

What’s this animal (picture is tagged) and where is it most likely to live, rainforest or desert?

Building glycogen from glucose molecules is an example of what