« previous next »

Author Question: What element is the most abundant in Earth's crust by weight? A) carbon B) chlorine C) oxygen ... (Read 75 times)

PhilipSeeMore

  • Hero Member
  • *****
  • Posts: 561
on: Jul 14, 2018
What element is the most abundant in Earth's crust by weight?
 
  A) carbon
  B) chlorine
  C) oxygen
  D) lead

Question 2

________ is the fuel that keeps the countryside of Afghanistan unstable and largely out of the reach of the elected government.
 
  A) Oil
  B) Gold
  C) Opium
  D) Feuding over cattle


lolol

  • Sr. Member
  • ****
  • Posts: 330
Reply #1 on: Jul 14, 2018
Answer to Question 1

Answer: C

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

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.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

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?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

The Configuration, Normal Pressures, and Oxygen Content of the Heart Chambers The Configuration, Normal Pressures, and Oxygen Content of the Heart Chambers
The span of Homo sapiens sapiens’ time on earth The span of Homo sapiens sapiens’ time on earth
Emphysema. (a) Illustration comparing normal lungs and emphysemic lungs. The inserts illustrate how Emphysema. (a) Illustration comparing normal lungs and emphysemic lungs. The inserts illustrate how
How Oxygen-16 Becomes More Concentrated in Glacial Ice How Oxygen-16 Becomes More Concentrated in Glacial Ice
Most conventional zirconia oxygen sensors and some wide-band oxygen sensors use the cup-type ... Most conventional zirconia oxygen sensors and some wide-band oxygen sensors use the cup-type ...
A carbon-14 nucleus decays to a nitrogen-14 nucleus by beta-minus decay. How much energy (in ... A carbon-14 nucleus decays to a nitrogen-14 nucleus by beta-minus decay. How much energy (in ...
Video: Prone Position

For a complete list of videos, visit our video library