Why is land more vulnerable to wind erosion during droughts? A: Excessive rainfall causes soil to erode.
B: Plants that hold the soil die off.
C: High temperatures dry out the soil.
D: Cold temperatures cause soil to freeze.

Which of the following happens during cell division? (a) energy is created (b) waste is eliminated (c) carbon dioxide is released (d) damaged cells are replaced

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.