15. which of the following accurately reflects the beliefs on earth's early history?
a. scien...
15. which of the following accurately reflects the beliefs on earth's early history?
a. scientists believe that microspheres nearly prevented the development of early life.
b. scientists believe oxygen was plentiful in the early atmosphere.
c. scientists believe the early atmosphere lacked the oxygen necessary to support modern human life.
d. scientists believe that dna may have existed before rna
Answers: 1
Another question on Biology
Biology, 21.06.2019 19:00
2. if scientists identify an animal with bilateral symmetry and no segmentation, which phylum can it definitely not belong to? a. roundworms b. annelids c. mollusks d. flatworms
Answers: 1
Biology, 22.06.2019 01:00
Works together in the synthesis, modification, packaging, and transport of lipids and proteins
Answers: 1
Biology, 22.06.2019 03:30
Matthew decided he wanted to hike up mount everest. on his way to the top, it began to snow and the temperature dropped to -10°f. matthew forgot to wear a heavy jacket so his body began to shiver beyond control. in this case, matthew's body shivering is the to a drop in temperature. * 0 points reflex stimuli responce environmental facto
Answers: 1
You know the right answer?
Questions
Mathematics, 10.11.2020 17:40
Mathematics, 10.11.2020 17:40
Mathematics, 10.11.2020 17:40
Mathematics, 10.11.2020 17:40
English, 10.11.2020 17:40
English, 10.11.2020 17:40
Social Studies, 10.11.2020 17:40
English, 10.11.2020 17:40
Arts, 10.11.2020 17:40
