Scientific knowledge is based on all of these except a. rigorous testing. b. small sample sizes. c. publication and peer review . d. acceptance in the scientific community

Identify the various levels of atmosphere. troposphere mesosphere exosphere stratosphere thermosphere

What is the main function of the central vacuole in a plant cell? a. absorbs energy from the sun to produce food b. holds water and maintains turgor pressure c. breaks down molecules to release energy d. contains the cell's genetic material

Which are reasons cells undergo cell division?