This topic contains a solution. Click here to go to the answer

Author Question: Most solar cells are composed primarily of A) arsenic. B) sulfur. C) nickel. D) ... (Read 103 times)

Kikoku

  • Hero Member
  • *****
  • Posts: 540
Most solar cells are composed primarily of
 
  A) arsenic.
  B) sulfur.
  C) nickel.
  D) silicon.

Question 2

It is estimated that minerals compose ________ of the mass of the human body.
 
  A) 1
  B) 4
  C) 18
  D) 24



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

briseldagonzales

  • Sr. Member
  • ****
  • Posts: 303
Answer to Question 1

D

Answer to Question 2

B



Kikoku

  • Hero Member
  • *****
  • Posts: 540

briseldagonzales

  • Sr. Member
  • ****
  • Posts: 303

 

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

For a complete list of videos, visit our video library