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

Author Question: The increase in atmospheric oxygen during the Proterozoic was most related to the ____. A)decrease ... (Read 45 times)

altibaby

  • Hero Member
  • *****
  • Posts: 562
on: Jul 13, 2018
The increase in atmospheric oxygen during the Proterozoic was most related to the ____.
 A)decrease in global volcanism
 B)decrease in ocean sizes
 C)process of photosynthesis by bacteria
 D)appearance of land plants
 E)origin of complex life forms

Question 2

The ultimate source of groundwater is the oceans.
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ky860224

  • Sr. Member
  • ****
  • Posts: 350
Reply #1 on: Jul 13, 2018
Answer to Question 1

C

Answer to Question 2

True


altibaby

  • Member
  • Posts: 562
Reply 2 on: Jul 13, 2018
Great answer, keep it coming :)

zacnyjessica

  • Member
  • Posts: 345
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

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.

A schematic of the circulatory system illustrating the pulmonary circulation picking up oxygen from A schematic of the circulatory system illustrating the pulmonary circulation picking up oxygen from
Effect of BPG on oxygen binding to hemoglobin. The BPG concentration Effect of BPG on oxygen binding to hemoglobin. The BPG concentration
Ineffective thermoregulation related to aging Ineffective thermoregulation related to aging
To increase pressure using body weight, lean on your client. To increase pressure using body weight, lean on your client.
Educate clients about products related to massage therapy and the clients’ health goals without ... Educate clients about products related to massage therapy and the clients’ health goals without ...
Dissolved oxygen at The Gulf of Mexico’s “Dead Zone” Dissolved oxygen at The Gulf of Mexico’s “Dead Zone”
Video: Angiotensin II - kidneys, adrenal glands and dehydration

For a complete list of videos, visit our video library