Carbon dioxide in the atmosphere traps heat. scientists are concerned that too much carbon dioxide is being released into the air by human activity. using your knowledge of the carbon cycle, where do you think this carbon dioxide is coming from? list at least three possible sources of human-related carbon dioxide production. carbon dioxide is produced by the burning of fossil fuels.

Which is it a characteristic of the animal kingdom? a. they include both vertebrates and invertebrates b. their skin is covered with hair or fur c. they are heterotrophs d. they are eukaryotic

Agroup of plant cells was exposed to radiation, which damaged the chloroplasts and caused them to lose function. if the mitochondria were unharmed, what would happen to the overall function of the plant cells? a. the cells would not be able to make food, but would be able to release energy from biomolecules. b. the cells would not be able to replicate dna, but would be able to break down waste. c. the cells would not be able to break down waste, but would be able to replicate dna. d. the cells would not be able to release energy from biomolecules, but would be able to make food.

What nerve is affected in bell palsy