atmosphere

What will be an ideal response?


.03%carbon, 78%nitrogen, 21%oxygen, argon .9%

Biology & Microbiology

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Which of the following emergence factors has contributed to the HIV/AIDS epidemic?

A) climate change B) rapid pathogen adaptation and change C) increasing travel to endemic areas D) exotic pet and meat trade

Biology & Microbiology

The breaking up of large units of fat into smaller ones is called

a. digestion. b. saponification. c. neutralization. d. emulsification. e. denaturation.

Biology & Microbiology

Careful, long-term studies conducted by Steve Hubbell and colleagues __________ for the proposal that spatial and temporal variation in gap formation caused by disturbance explains high diversity of tropical trees.

A) provide support B) fail to provide support

Biology & Microbiology

Metal ions are useful to organisms in the ________ form.

A. soluble B. reduced C. insoluble D. oxidized E. oxidized and insoluble

Biology & Microbiology