Question

1. which statement best describes how human pollution can move through the water cycle?

a. pollution remains in one location unless wind or storms move it
b. water-cycle processes move pollutants among air, land, and waterways
c. rivers and streams are the only systems that transport pollution
d. pollutants break down fully once they enter soil and groundwater

1. why does a warming climate intensify the water cycle?

a. warmer air increases evaporation and rainfall
b. warm air blocks cloud formation
c. warm air stops the greenhouse effect
d. warm air reduces rainfall

1. which of the following best defines a nutrient?

a. a source of renewable energy
b. a vital element that organisms need to survive
c. a type of pollution in the environment
d. a biotic reservoir in an ecosystem

1. which component is abiotic?

a. bacteria
b. soil
c. fungi
d. plants

1. which process moves water from the surface into the atmosphere?

a. evaporation
b. condensation
c. precipitation
d. percolation

1. what is the main role of decomposers in nutrient cycles?

a. releasing nitrogen gas into the atmosphere
b. breaking down dead organisms to return nutrients to the environment
c. producing sugars from sunlight
d. storing matter in reservoirs

1. which of the following is a reservoir in a nutrient cycle?

a. runoff
b. soil
c. respiration
d. photosynthesis

1. what type of pollutant is nitrogen fertilizer entering groundwater?

a. thermal
b. microbiological
c. nutrient
d. radioactive

1. what process causes cloud formation in the water cycle?

a. runoff
b. condensation
c. transpiration
d. percolation

1. which is an effect of increased nutrients in a body of water?

a. increased water clarity
b. increase algae growth
c. higher oxygen levels
d. higher fish populations

Explanation:

1. Water cycle processes like evaporation, precipitation, and runoff move pollutants between air, land, and water.
2. Warmer air holds more moisture, increasing evaporation and subsequent rainfall.
3. Nutrients are essential elements organisms need to grow and survive.
4. Abiotic factors are non-living components of an ecosystem; soil is non-living.
5. Evaporation is the process where liquid water becomes vapor and rises to the atmosphere.
6. Decomposers break down dead organic matter to recycle nutrients back into the environment.
7. A reservoir stores nutrients; soil holds and cycles nutrients like nitrogen and phosphorus.
8. Nitrogen fertilizer is a nutrient that can contaminate groundwater.
9. Condensation occurs when water vapor cools and forms liquid droplets, creating clouds.
10. Excess nutrients in water cause algal blooms by providing abundant food for algae.

Answer:

1. b. Water-cycle processes move pollutants among air, land, and waterways
2. a. Warmer air increases evaporation and rainfall
3. b. A vital element that organisms need to survive
4. b. Soil
5. a. Evaporation
6. b. Breaking down dead organisms to return nutrients to the environment
7. b. Soil
8. c. Nutrient
9. b. Condensation
10. b. Increase algae growth