The measure of randomness or disorder in a system is known as

What is the difference between a scientific hypotheses and a scientific theory?

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.

When fossil fuels are burned, carbon dioxide is released. how does this gas impact the environment?