Was making salt water a physical or chemical change? How do you know?

7 in Living Things e correct answer. 5. What is the main function of phospholipids in a cell? A form the cell membrane B. produce energy for the cell C. contain genetic information D. increase the rate of reactions

Does anyone know what cephalization is?

Why are cheetah's fast?

Which parts of the nervous system are associated with the general adaptation syndrome?

A nursing instructor is explaining the stages of fetal development to a group of nursing students. The instructor determines the session is successful after the students correctly choose which time period as representing the pre-embyonic stage? a.

Will the amount of hydrogen in our sun increase or decrease over the next few million years?

How does gravity cause plates to move? Explain

Which water-soluble vitamin plays an important role in the formation of collagen? A. vitamin C B. thiamin C. folate D. biotin

What is the theory on how cells came to have mitochondria.

Which of the following lists fits the order of these three descriptions: Age of Mammals, Age of Dinosaurs, and longest geologic time period. Choose one: A. Mesozoic, Cenozoic, Paleozoic B. Cenozoic, Mesozoic, Precambrian C.