The office of ecology and natural resource conservation works to a. end the use of natural resources b. maintain the supply of domestic natural resources c. develop foreign policy regarding the sustainable use of natural resources d. limit the use of critical natural resources in the united states

d.  limit the use of critical natural resources in the United States

Explanation: d.  limit the use of critical natural resources in the United States

the index of refraction of the second medium is higher. i just took the test trust me !

organ system-an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.