Tuesday
July 29, 2014

Homework Help: Biology

Posted by Sabrina on Wednesday, August 29, 2007 at 10:43pm.

_____________provided significant sources of energy on early Earth, and were most likely involved in the origin of life.

Options
A) Volcanic activity, violent thunderstorms, and ultraviolent radiation

B) Bombardment from meteorites, gamma radiation, and osmic radiation.

C) Intense radiation, volcanic activity and redox energy.

D)Oxidizing environment, electrical disharge and geothermal energy.

E) Infrared radiation, ultraviolent radiation, and oxidizing radiation.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Earth science - 1. Which of the following is not a natural cause of climatic ...
chemistry - Which of the following statements about UV radiation is/are FALSE? (...
HELP I DON'T UNDERSTAND THIS QUESTION ! - Earth's energy sources include both ...
Geography - question: Compare and contrast the various sources of energy. answer...
science - 14. Chemical runoff from fields, oil spills, and erosion is the major ...
Earth science - The greenhouse effect is a result of A. consumption of fruits ...
What Does This Mean? - This looks like a fairly straightforward question, but I ...
PHYSICS-radiation - Four billion years ago the Sunís radiative output was 30% ...
science - can someone help me with this question from your perspective? I just ...
Biology 100 - Read Ch. 9, section 9.1, How Did Life Originate? Reasearch a ...

Search
Members