10. What most directly affects the amount of dissolved oxygen in a body of
water?
A pH
B. salinity
c. temperature
D. turbidity

What is responsible for the uneven heating between the poles and the equator on any given day

Which of the following best describes the purpose of the parathyroid hormone? a. it decreases the blood calcium level and decreases blood phosphorus level. b. it decreases the blood calcium level and increases the blood phosphorus level. c. it increases the blood calcium level and increases blood phosphorus level. d. it increases the blood calcium level and decreases blood phosphorus level.

To confirm when to exclude children from school it’s recommended that you refer to guidelines from which of the following organizations