The diagram below shows the movement of substances A and B into a cell: Based on this model, which of the following statements is true?
a) ATP is not required to move either substance into the cell.
b) ATP is required to move both Substance A and Substance B into the cell.
c) ATP is required to move Substance A into the cell.
d) ATP is required to move Substance B into the cell.

If scientists are wrong about earth's age based on radioactive material and the decay rates are really much faster, how would nuclear power plants be affected?

As a result of wildfires, in grasslands. a) tree growth increases b) grass growth increases c) soil quality decreases d) invertebrate variety decreases

Plz fast biotechnology is a growing field of applied biology. many crops such as corn have been engineered to be resistant to herbicides. therefore farmers can spray these chemicals to kill weeds growing near the crop without worries of killing the crop itself how does this type of biotechnology work? a. by changing the genetic make up of the crops. b. by causing the crops to kill the weeds. c. by changing the type of crops used. d. by changing the location of the crops.