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

Author Question: Approximately what percentage of the earth's crust is composed of oxygen? A) 5 B) 40 C) 50 ... (Read 86 times)

ghost!

  • Hero Member
  • *****
  • Posts: 560
on: Aug 27, 2018
Approximately what percentage of the earth's crust is composed of oxygen?
 
  A)  5
  B)  40
  C)  50
  D)  75

Question 2

Which of the following metals does the United States import from other countries?
 
  A) indium
  B) lithium
  C) palladium
  D) All of the above are imported from other countries.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

elyse44

  • Sr. Member
  • ****
  • Posts: 319
Reply #1 on: Aug 27, 2018
Answer to Question 1

C

Answer to Question 2

D


ghost!

  • Hero Member
  • *****
  • Posts: 560
Reply #2 on: Aug 27, 2018
Thanks


elyse44

  • Sr. Member
  • ****
  • Posts: 319
Reply #3 on: Aug 27, 2018
Welcome :)


« previous next »
 

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

he vertebrate stomach as an example of an organ composed of all four tissue types he vertebrate stomach as an example of an organ composed of all four tissue types
The Tilt of Earth’s Axis The Tilt of Earth’s Axis
Percentage of Foreign-Born Whites and Native Whites of Foreign or Mixed Parentage in Total Populatio Percentage of Foreign-Born Whites and Native Whites of Foreign or Mixed Parentage in Total Populatio
Earth’s Spheres Earth’s Spheres
The minimum number of moles of oxygen needed to completely consume 4 moles of C3H8O is ... The minimum number of moles of oxygen needed to completely consume 4 moles of C3H8O is ...
Early Earth Early Earth
Video: Calvin Cycle Explained!

For a complete list of videos, visit our video library