Which statement describes all enzymes? 1. they control the transport of materials. 2. they provide energy for chemical reactions. 3. they affect the rate of chemical reactions. 4. they absorb oxygen from the environment.

Foods that fill your body with sugar and fat but little else, are said to contain

0% 10. use the table to answer the question. which elements would you expect to find mainly in the earth’s core? element density (g/cm3) aluminum 2.7 iron 7.87 nickel 8.9 silicon 2.33 iron and silicon aluminum and silicon aluminum and nickel iron and nickel

Which many - celled organisms are capable of causing diseases in humans