Biology, 14.07.2019 13:50 anaroles04
15 points earth's oceans contain many dissolved elements like calcium, sodium, and chlorine. these elements plus several others combine to form the salts in the oceans. what is a major source of calcium and sodium in oceans? a) air pollutants b) gases from active volcanoes eliminate c) minerals dissolved in aquifers d) weathering and erosion of rocks
Answers: 2
Biology, 21.06.2019 20:00, noahmartinez3636
Which of the following is true of microbes? a. ninety-nine percent of all microbes are pathogenic. b. gene expression in bacteria is very similar to gene expression in humans, which facilitates the use of bacteria in recombinant biotechnology and gene therapy. c. all bacterial enzymes are harmful to humans and the environment. d. microbes create pollutants and toxins that harm the environment.
Answers: 2
Biology, 22.06.2019 03:00, moneyyfletcher
Question#29: why does the tropical ocean have a greater temperature range than the temperate ocean?
Answers: 3
15 points earth's oceans contain many dissolved elements like calcium, sodium, and chlorine. these e...
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