Biology, 28.08.2019 19:50 erichenkell2700

What is the most abundant gas in the atmosphere
a: ozone
b: water vapor
c: oxygen
d: nitrogen

Answers: 2

Show answers

Other questions on the subject: Biology

Biology, 21.06.2019 19:30, khoadominh2206

Place the steps tor the formation of the enzyme pepsinogen in correct order

Answers: 1

continue

Biology, 22.06.2019 02:30, briizy

Plz ! for many generations farmers in north america have been choosing to cross corn plants with large ears of corn each year this results in the new generation of plants also growing large ears of corn. what is the technique called? a. selective breeding. b. natural selection. c. mitosis. d. asexual budding.

Answers: 1

continue

Biology, 22.06.2019 08:30, victory08

What does polymerase chain reaction (pcr) do? o a. separates dna fragments by size o b. cuts a dna sample into fragments o c. provides an overall picture of a person's chromosomes o d. makes more copies of a sample of dna

Answers: 2

continue

Biology, 22.06.2019 20:00, tsimm3618

Ascientist discovers a new body between the orbit of neptune and the kuiper belt. the object is round and travels in an orbit around neptune with other space objects. the scientist claims that she has found a new dwarf planet. where is the scientist’s error? the object is an asteroid, not a dwarf planet. the object is a moon, not a dwarf planet. the object is not a dwarf planet because it travels with other objects. the object is not a dwarf planet because it is round.

Answers: 1

continue

You know the right answer?

What is the most abundant gas in the atmosphere
a: ozone
b: water vapor
c: oxyge...