True or False: Older rock layers can be found above the younger rock layers.
True
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.

Aboy with an extra x chromosome probably has which of the following syndromes?

Which is an example of a decomposer? a. bear b. algae c. grass d. bacteria d bacteria