Author Question: Which of the following factors weaken(s) the hypothesis of abiotic synthesis of (Read 556 times)

penguins

  • Hero Member
  • *****
  • Posts: 903
Which of the following factors weaken(s) the hypothesis of abiotic synthesis of organic monomers in early Earth's atmosphere?
1.    the relatively short time between intense meteor bombardment and the appearance of the first life-forms
2.    the lack of experimental evidence that organic monomers can form by abiotic synthesis
3.    uncertainty about which gases comprised early Earth's atmosphere
A) 1 only
B) 2 only
C) 1 and 2
D) 1 and 3
E) 2 and 3



Millan

  • Sr. Member
  • ****
  • Posts: 368
I know it's D, we did this last week ;)



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

penguins

  • Hero Member
  • *****
  • Posts: 903

 

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

For a complete list of videos, visit our video library