16.2
Formative Assessment
REVIEWING O MAIN IDEAS
1. Name and describe two ways in
which pollution affects ecosystems.
TOKE 118, 12F
2. How does the greenhouse effect
keep Earth warm?
3. Explain how a build-up of carbon
dioxide in the atmosphere could
increase Earth's global temperature.
CRITICAL THINKING
4. Predict Describe how acid rain
falling in a forest could disrupt the
trophic structure of the ecosystem.
Irukal 118, 12F
5. Connect Name two important
functions of greenhouse gases at
Earth's surface.