Under almost all circumstances, brain cells can only use carbohydrates for energy. under almost all circumstances, brain cells can only use carbohydrates for energy.
a. true
b. false

The eruption of a nearby volcano causes a prairie ecosystem to receive a lot less sunlight.which of these is the most likely effect on the ecosystem? a-an increase in biodiversity. b-an increase in immigration to the area. c-a decrease in available water. d-a decrease in plant growth.

Loss of protected health information collected for research should be directly reported to:

How do you date a sample of rock that you suspect as being one of the earliest on earth