« previous next »

Author Question: Which two factors are critical to the existence of the carbon dioxide (CO2 ) cycle on Earth? A) ... (Read 64 times)

jman1234

  • Hero Member
  • *****
  • Posts: 560
on: Jul 27, 2018
Which two factors are critical to the existence of the carbon dioxide (CO2 ) cycle on Earth?
 
  A) life and atmospheric oxygen
  B) life and active volcanism
  C) plate tectonics and liquid water oceans
  D) active volcanism and active tectonics

Question 2

A gamma-ray burster emits a quantity of energy similar to that emitted in a ________.
 
  Fill in the blank(s) with correct word


Dinolord

  • Sr. Member
  • ****
  • Posts: 313
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

supernova or supernova explosion.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Risk Factors for Diabetes Risk Factors for Diabetes
The phosphorus cycle "دورة الفوسفور" The phosphorus cycle "دورة الفوسفور"
Social Problems: A Critical Power-Conflict Perspective Social Problems: A Critical Power-Conflict Perspective
The cell cycle has three stages: interphase, mitosis, and cytokinesis The cell cycle has three stages: interphase, mitosis, and cytokinesis
Earth 600 Million Years Ago Earth 600 Million Years Ago
Earth 65 Million Years Ago Earth 65 Million Years Ago
Video: Endocytosis - pinocytosis, receptor mediated and Transcytosis

For a complete list of videos, visit our video library