Chemistry, 25.08.2019 04:30, sanafarghal

The atmosphere is composed of
a. the oceans
b. the air within 500 feet of the earth's surface
c. all the gases that surround the earth
d. all the plants and animals that breathe the gases that surround the earth.

Answers: 1

Show answers

Other questions on the subject: Chemistry

Chemistry, 21.06.2019 18:00, pressure772

Which is a character of nuclear fusion but not nuclear fission

Answers: 3

continue

Chemistry, 22.06.2019 14:20, montanolumpuy

7. in the cycle, a virus integrates its dna into the host's dna, and its dna is replicated when the host dna is replicated. a. infectious b. retroviral c. lysogenic d. lytic

Answers: 1

continue

Chemistry, 22.06.2019 19:20, Lovelybunny321

15. which of the following is not human-caused groundwater pollution? a. water in an aquifer dissolves elements such as arsenic and mercury from surrounding rock. b. water in an aquifer is contaminated by leachate that seeps into the ground from a landfill. c. water in an aquifer becomes polluted with chemicals used in hydraulic fracturing, or fracking. d. water in an aquifer absorbs harmful bacteria from the drainage field of a septic tank.

Answers: 1

continue

Chemistry, 22.06.2019 21:50, SoccerAllStar2

Liquid from a brewery fermentation contains 10% ethanol and 90% water. part of the fermentation product (50,000 kg/h) is pumped to a distillation column on the factory site. under current operating conditions, a distillate of 45% ethanol and 55% water is produced from the top of the column at a rate of one-tenth that of the feed. what is the composition of the waste "bottoms" from the still?

Answers: 2

continue

Do you know the correct answer?

The atmosphere is composed of
a. the oceans
b. the air within 500 feet of the earth's...