Author Question: Which of the following products is NOT made from petroleum? A) plastics B) detergents C) ... (Read 62 times)

debasdf

  • Hero Member
  • *****
  • Posts: 570
Which of the following products is NOT made from petroleum?
 
  A) plastics
  B) detergents
  C) perfumes
  D) tires

Question 2

A piece of cloth is dated using carbon-14. The cloth is determined to be 1400 years old. The half-life of C-14 is 5730 years. The C-14 radioactivity in the cloth will be ________ the radioactivity in a new cloth.
 
  A) greater than
  B) the same as
  C) less than
  D) Radioactivity cannot be predicted from the above information.



Bsand8

  • Sr. Member
  • ****
  • Posts: 327
Answer to Question 1

D

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

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.

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

For a complete list of videos, visit our video library