This topic contains a solution. Click here to go to the answer

Author Question: Early organisms played a role in the accumulation of free oxygen through the process of ... (Read 117 times)

cabate

  • Hero Member
  • *****
  • Posts: 537
Early organisms played a role in the accumulation of free oxygen through the process of ___________________ _.
 Fill in the blank(s) with correct word

Question 2

What is the average rate of groundwater flow?
 A)a few kilometers a day
 B)a few meters a day
 C)a few centimeters a day
 D)a few millimeters a day
 E)imperceptible



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

medine

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

photosynthesis

Answer to Question 2

C




cabate

  • Member
  • Posts: 537
Reply 2 on: Jul 13, 2018
Gracias!


Jsherida

  • Member
  • Posts: 314
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

For a complete list of videos, visit our video library