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

Author Question: Approximately 100 elements occur in nature. How many of them are widespread in making the minerals ... (Read 55 times)

Bernana

  • Hero Member
  • *****
  • Posts: 530
on: Jul 13, 2018
Approximately 100 elements occur in nature. How many of them are widespread in making the minerals and rocks of the crust?
 
  A) All of them
  B) Three quarters of them
  C) Half of them
  D) A quarter of them
  E) None of them

Question 2

With respect to minerals, which of the following is true?
 
  A) All minerals have been discovered.
  B) More than 500,000 minerals exist.
  C) Mineral is a synonym for rock.
  D) All minerals crystals are too small to be seen.
  E) Fewer than 20 minerals make up 95 of the crust.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cuttiesgirl16

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Jul 13, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: E


Bernana

  • Member
  • Posts: 530
Reply 2 on: Jul 13, 2018
:D TYSM

cam1229

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Modifications that occur at the ends of mRNA in eukaryotic cells. Modifications that occur at the ends of mRNA in eukaryotic cells.
The Making of Black Harlem The Making of Black Harlem
Pharmacology of the older adult can be challenging due to physiological changes that occur with ... Pharmacology of the older adult can be challenging due to physiological changes that occur with ...
Important Trace Elements in the Body Important Trace Elements in the Body
Accounting (Making Entries) Accounting (Making Entries)
The Making of a Protein The Making of a Protein
Video: Introduction to Human Immunodeficiency Virus (HIV)

For a complete list of videos, visit our video library