HELP ASAP!! DUE TOMORROW!! WILL MARK AS BRAINLIEST IF ANSWERED NOW!!

1. What property of water results from the charges on either side of the molecules?
A. its high specific heat
B. its ability to moderate temperature
C. its expanding when it freezes
D. its versatility as a solvent

2. Organisms return carbon dioxide to the environment through cellular respiration. Which process that is part of a food web also returns carbon to the environment?
A. predation
B. decomposition
C. nitrogen fixation
D. photosynthesis

3. Which of the following is a density-dependent limitation on population size?
A. wildfire
B. predation
C. air pollution
D. severe drought

4. Which of these human activities is linked to the formation of a hole in the ozone layer?
A. cutting forests for lumber
B. use of coolants that contain CFCs
C. burning fossil fuels
D. aerobic respiration

5. Which organisms represent the climax community in this ecosystem?
A. fir, birch, and white spurce
B. pine, spruce, and aspen
C. grasses and shrubs
D. lichens and mosses