Which of the following systems does not play a role in maintaining your blood sugar levels? a. digestive system

b. circulatory system

c. skeletal system

d. endocrine system (Involved in releasing hormones)

Some mining processes involve removal of large areas of earths surface in the mined region this practice causes severe environmental damage by allowing which natural process to accelerate in the affected areas? a. precipitation b. erosion c. migration d. condensation

In general, characteristics that an organism survive and reproduce become more common in a population over time. what mechanism of evolution cause this change?

Part of the elbow is formed by the end of the humerus. what do you call this part?