Which condition is required for viruses to reproduce? a. they must enter another virus structure. b. they must enter the cell of another organism. c. they must come in contact with water. d. they must encounter a virus with genetic material different from their own.

surface mining destroys mountain tops, landscapes, forests and wildlife habitats. on top of that, it leads to soil erosion and destruction of agricultural land. the landscape changes can also disrupt river channels and streams, which leads to flooding. which, can destroy plant life and other animals as well.

explanation:

i believe the answer is a or 1

idk what the options are but

these is a strong electrostatic attraction between the ions hence a lot of energy is needed to overcome this attraction

this is why the boiling points are so high

what is the statement?