1. Warm air is _____ dense than cold air, and warm air holds_____ moisture than cold air.

		more; less
		more; more
		less; more
		less; less

2.The carbon and nitrogen cycles are related to one anotherbecause:

		microorganisms have important roles in the cycling of each.
		both are liberated into the environment when organismsdecompose.
		both are required to make the primary biological molecules(carbohydrates, fats, proteins, and sugars).
		All of these choices are correct.

Answer rating: 100% (QA)

ANSWER 1 B more more The difference in barometric pressure between observation sites at different el... View the full answer