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

Author Question: For water to have been stable on Mars in the past, A) temperature must have been higher and the ... (Read 88 times)

codyclark

  • Hero Member
  • *****
  • Posts: 538
on: Jul 27, 2018
For water to have been stable on Mars in the past,
 
  A) temperature must have been higher and the atmospheric pressure lower
  B) temperature must have been lower and the atmospheric pressure higher
  C) both the temperature and the atmospheric pressure must have been higher
  D) both the temperature and the atmospheric pressure must have been lower

Question 2

Most of the deuterium that formed right after the Big Bang
 
  A) is still around today.
  B) broke down into electrons and neutrons.
  C) turned into dark matter.
  D) quickly burned into helium nuclei.
  E) was found in the globular clusters.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

debra928

  • Sr. Member
  • ****
  • Posts: 342
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

D


codyclark

  • Hero Member
  • *****
  • Posts: 538
Reply #2 on: Jul 27, 2018
TY


debra928

  • Sr. Member
  • ****
  • Posts: 342
Reply #3 on: Jul 27, 2018
You're welcome


« previous next »
 

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

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.

The Hepatic Portal Blood Supply The liver receives water, minerals, and nutrients from the digestive The Hepatic Portal Blood Supply The liver receives water, minerals, and nutrients from the digestive
Measuring Axillary Temperature Measuring Axillary Temperature
A hole in the muffler allows condensed water to escape. A hole in the muffler allows condensed water to escape.
This five-wire mass air flow sensor consists of a metal foil sensing unit, an intake air temperature ... This five-wire mass air flow sensor consists of a metal foil sensing unit, an intake air temperature ...
Ocean water is layered from top to bottom Ocean water is layered from top to bottom
Regulation of Water Reabsorption by ADH Regulation of Water Reabsorption by ADH
Video: Transcription - Introns and exons

For a complete list of videos, visit our video library