Question:
Which occurs as a result of Earth's tilt on its rotating axis?
OPTIONS:
- movement of the tides
- prevalent or trade winds
- seasonal changes in the climate
- light and dark changes of day and night
Answer:
seasonal changes in the climate
Question:
Which of these best defines the term "pollutant"?
OPTIONS:
- anything humans add to the atmosphere and oceans
- any substance that is harmful to the environment
- any substance that is a waste product of industry
- a substance that does not break down over time
Answer:
any substance that is harmful to the environment
Question:
As the population of small fish in a lake decreases, the population of large fish that depend on the small fish for food will
OPTIONS:
- reproduce faster
- begin to produce their own food
- decrease in number
- increase in number
Answer:
decrease in number
Question:
Weather forecasts are more accurate today than in the past due to
OPTIONS:
- global warming
- air-quality control
- plate tectonics
- use of images from space
Answer:
use of images from space