« previous next »

Author Question: What is the likely source of lunar ice? A) water that was present when the Moon formed B) ... (Read 10 times)

bio_gurl

  • Hero Member
  • *****
  • Posts: 524
on: Jul 27, 2018
What is the likely source of lunar ice?
 
  A) water that was present when the Moon formed
  B) contamination from human exploration of the Moon
  C) volcanism earlier in the Moon's history
  D) impacts of meteoroids and comets

Question 2

Given that the planet orbiting the nearby star 51 Pegasi is about 20X larger than the Earth, but 400X more massive, on that world you would weigh:
 
  A) the same as you do here.
  B) twice as much as you do here.
  C) half as much as you do here.
  D) 20X more that you do here.
  E) 400X more than you do here.


kjohnson

  • Sr. Member
  • ****
  • Posts: 330
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

bio_gurl

  • Hero Member
  • *****
  • Posts: 524
Reply #2 on: Jul 27, 2018
Thank you!


kjohnson

  • Sr. Member
  • ****
  • Posts: 330
Reply #3 on: Jul 27, 2018
Always glad to help...


« previous next »
 

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Results from sequential study of two cohorts tested at three ages and at three different points in t Results from sequential study of two cohorts tested at three ages and at three different points in t
Time Line of Human History From Upper Paleolithic Period to the Present Time Line of Human History From Upper Paleolithic Period to the Present
Moon Phases Moon Phases
Eggs are an excellent source of protein, but egg yolks are high in cholesterol Eggs are an excellent source of protein, but egg yolks are high in cholesterol
Use tap water when making coffee, tea, or juice from concentrate, and for food preparation Use tap water when making coffee, tea, or juice from concentrate, and for food preparation
Earth Present Earth Present
Video: A Human Karyotype Preparation Animation

For a complete list of videos, visit our video library