Which statement best describes the exosphere? it extends down to sea level. it is the place where meteors burn out. it is the layer where we observe lightning. it is the last layer of the atmosphere before space.

Look at the punnett square for an x-linked recessive disease. is it possible for a female offspring to have the disease?

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.

How do accessory pigments chlorophyll?