Some areas of the world suffer from increased air pollution because they are surrounded by mountains which can trap warm air above cold air during certain times of the year. What is this known as?
a. A temperature inversion
b. A grasshopper effect
c. Buffer zones
d. AVOC cloud
e. Industrial Ozone smog

Which of the following examples can cause gene flow between populations? a. an increase in predators to a population of zebra b. a volcanic eruption that kills half of a population of mice c. bird droppings that contain seeds from a different location d. a person that sprays a toxin on a group of mosquitoes

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

How do cells grow and reproduce to maintain homeostasis?