Which of the following is a true statement about diffusion?
a. diffusion is only important for animal cells.
b. diffusion requires energy input from the cell.
c. only water can diffuse across a cell membrane.
d. molecules move from areas of high concentration to areas of low concentration.

Which short-term environmental change is most likely to lead to ground shifting, landslides, and the collapse of buildings or roads? forest fires flooding earthquakes

Adescription of a type of bio biotechnology (genetic engineering, cloning, or artificial section) one benefit or one risk for the individual (based on whether you are for or against it) one benefit or one risk for society (based on whether you are for or against it) one benefit or one risk for the environment (based on whether you are for or against it)

Physical characteristics of down syndrome