Question

question 45 (1 point)
biological magnification refers to:

a forests absorbing co₂
b urbanization increasing
c pollutants becoming more concentrated as they move up a food chain
d oceans becoming more acidic

question 46 (1 point)
what layer of the atmosphere absorbs ultraviolet (uv) light?

a asthenosphere
b ozone layer
c troposphere
d lithosphere

question 47 (1 point)
which gases destroy the ozone layer?

a o₂
b ch₄
c co₂
d cfcs

Explanation:

• Question 45: Biological magnification is the process where pollutants become more concentrated as they move up a food - chain.
• Question 46: The ozone layer absorbs ultraviolet (UV) light.
• Question 47: Chlorofluorocarbons (CFCs) are known to destroy the ozone layer.

Answer:

Question 45: C. Pollutants becoming more concentrated as they move up a food chain
Question 46: B. Ozone layer
Question 47: D. CFCs