Short Answer
As oxygen appeared in the atmosphere, some of it accumulated in the form of________ , which formed a protective barrier that prevents________ from reaching Earth.
Correct Answer:

Verified
ozone / UV...View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
Correct Answer:
Verified
ozone / UV...
View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
Related Questions
Q1: Explain why recA, the gene encoding recombinase
Q2: In doing comparative SSU rRNA sequencing, it
Q3: A monophyletic group is a group that<br>A)
Q4: Explain why in both taxonomy and phylogeny
Q6: What two gases were most abundant on
Q7: The domains arose as barriers between evolved
Q8: One widely used cladistic method of examining
Q9: T- RFLP is a molecular technique often
Q10: Hybridization values of 50% or greater are
Q11: Fossilized microbial mats consisting of layers of