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

Author Question: What could ultimately be linked to the present absence of water on Mars? a. The large decrease in ... (Read 143 times)

bb

  • Hero Member
  • *****
  • Posts: 544
on: Aug 22, 2018

What could ultimately be linked to the present absence of water on Mars?
  a. The large decrease in carbon dioxide
  b. The proximity to the sun
  c. The lack of free oxygen in the atmosphere
  d. The lack of outgassing from the interior of the planet
  e. Excess carbon dioxide



Question 2

High levels of ____ could indicate life on other planets.
  a. free nitrogen
  b. carbon dioxide
  c. free oxygen
  d. methane
  e. ozone



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

trampas

  • Sr. Member
  • ****
  • Posts: 320
Reply #1 on: Aug 22, 2018
Answer to Question 1

a

Answer to Question 2

c


bb

  • Member
  • Posts: 544
Reply 2 on: Aug 22, 2018
:D TYSM

alvinum

  • Member
  • Posts: 317
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Water and salt regulation by isosmotic, hyperosmotic, and hypoosmotic aquatic organisms. Water and salt regulation by isosmotic, hyperosmotic, and hypoosmotic aquatic organisms.
Mutualisms, such as those that occur among plants and pollinators, generally involve large numbers o Mutualisms, such as those that occur among plants and pollinators, generally involve large numbers o
Large white butterfly egg Large white butterfly egg
Land/Water Interactions Land/Water Interactions
Water as a Polar Molecule Water as a Polar Molecule
Decrease in mean haplotype heterozygosity Decrease in mean haplotype heterozygosity
Video: hGH, Thyroid hormones & Aldosterone

For a complete list of videos, visit our video library