This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Why couldn't life originate on the Moon? a. too many craters b. not within a habitable zone in ... (Read 134 times)

asmith134

  • Hero Member
  • *****
  • Posts: 576
on: Jul 27, 2018
Why couldn't life originate on the Moon?
 
  a. too many craters
 b. not within a habitable zone in the Solar System
  c. lack of atmosphere to keep water on its surface
  d. lack of oxygen in its atmosphere
 e. too cold a surface

Question 2

What was needed to develop in Earth's atmosphere to protect organisms from the harmful effects of ultraviolet radiation?
 
  a. weather patterns
 b. a nitrogenous layer
  c. a greenhouse effect
  d. an ozone layer
 e. reflective clouds


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

brittanywood

  • Sr. Member
  • ****
  • Posts: 355
Reply #1 on: Jul 27, 2018
Answer to Question 1

c

Answer to Question 2

d


asmith134

  • Member
  • Posts: 576
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

Jossy

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Gametic life cycle, as illustrated by diatoms Gametic life cycle, as illustrated by diatoms
This is a view of the moon transiting This is a view of the moon transiting
Siblings report on what life events triggered changes in their relationships with each other, how ... Siblings report on what life events triggered changes in their relationships with each other, how ...
U.S. Life Expectancy by Year of Birth U.S. Life Expectancy by Year of Birth
Remaining health-adjusted life expectancy (years) at age 25 Remaining health-adjusted life expectancy (years) at age 25
A field study of guppy life history evolution. A field study of guppy life history evolution.
Video: Polysaccharides

For a complete list of videos, visit our video library