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

Author Question: How much of the water on Earth do scientists think was delivered by comets? A) none B) a minor ... (Read 39 times)

jc611

  • Hero Member
  • *****
  • Posts: 552
on: Jul 16, 2018
How much of the water on Earth do scientists think was delivered by comets?
 
  A) none
  B) a minor amount
  C) a major amount
  D) all of it

Question 2

What percent of a comet is water?
 
  A) ten percent
  B) thirty percent
  C) fifty percent
  D) eighty percent


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kingdude89

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: D


jc611

  • Hero Member
  • *****
  • Posts: 552
Reply #2 on: Jul 16, 2018
Thank you :)


kingdude89

  • Sr. Member
  • ****
  • Posts: 336
Reply #3 on: Jul 16, 2018
Happy to help you


« previous next »
 

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Mixting Hot Cold water Mixting Hot Cold water
Layers of Rock Laid Down by Water Layers of Rock Laid Down by Water
Earth Science, 14/E Earth Science, 14/E
Water as a Polar Molecule Water as a Polar Molecule
How humans maintain homeostasis with respect to water and ions How humans maintain homeostasis with respect to water and ions
Water strider (Gerris remigis) on water surface, showing surface tension. Water strider (Gerris remigis) on water surface, showing surface tension.
Video: Contraction and Relaxation Animation

For a complete list of videos, visit our video library