The Montreal Protocol banned use of _____ , which contribute(s) to ozone depletion

a. DDT
b. CFCs
c. fossil fuels
d. sulfur dioxides


B

Biology & Microbiology

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. The compost pile temperature at which pathogens, but not thermophiles, are killed is about 20-30ºC

Indicate whether this statement is TRUE or FALSE.

Biology & Microbiology

If a particular atom has 27 electrons, 27 protons, and 31 neutrons, its mass number would be 

A. 52. B. 54. C. 56. D. 58.

Biology & Microbiology

Which hormone causes glucose to be produced from the breakdown of protein and fat?

A) insulin B) oxytocin C) glucagon D) growth hormone E) cortisol

Biology & Microbiology

If the male in generation II was affected, what would the pattern of inheritance most likely be?

a. X-linked recessive b. X-linked dominant c. autosomal recessive d. autosomal dominant

Biology & Microbiology