The process of water moving from the Earth to the atmosphere and back again is called the A. Earth cycle
B. Atmosphere cycle
C. life cycle
D. water cycle

Compare and contrast region e in the illustration above with region d. describe the physical characteristics of each region.

The negative change found inside the plasma membrane is created by potassium ions sodium ions hydrogen ions chlorine ions

In a lab, scientists grew several generations of offspring of a plant using the method shown. what conclusion can you make about the offspring? a. they formed from meiosis and mitosis. b. they have half the number of chromosomes as their parent. c. they have low genetic variability among them. d. they will be able to reproduce only after they grow flowers.