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

Author Question: A post-1982 penny is made with zinc, but its density is actually greater than that of zinc because ... (Read 156 times)

RYAN BANYAN

  • Hero Member
  • *****
  • Posts: 563
on: Aug 27, 2018
A post-1982 penny is made with zinc, but its density is actually greater than that of zinc because ________.
 
  A) it is coated with a thin layer of copper, which is more dense than zinc
  B) it is compressed to a smaller volume in the manufacturing process
  C) it has more mass for the same volume
  D) Both A and C are correct

Question 2

Which of the following is not one of the main classes of psychoactive drugs?
 
  A) narcotics
  B) stimulants
  C) depressants
  D) hallucinogens
  E) All of the above are classes of psychoactive drugs.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

hollysheppard095

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

A


RYAN BANYAN

  • Member
  • Posts: 563
Reply 2 on: Aug 27, 2018
Excellent

xoxo123

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Vasectomy. (a) Vas deferens is located within the spermatic cord on both sides. (b) A small incision Vasectomy. (a) Vas deferens is located within the spermatic cord on both sides. (b) A small incision
An experimentally made Oldowan type core. An experimentally made Oldowan type core.
A greater number of men than women hold full-time jobs, but the gap is closing because of an ... A greater number of men than women hold full-time jobs, but the gap is closing because of an ...
This military command post is in South Korea, with both U.S. and South Korean personnel. South Korea ... This military command post is in South Korea, with both U.S. and South Korean personnel. South Korea ...
Post-Soviet Challenges Post-Soviet Challenges
The density of Pb(s) is 11.34 g/cm3. Pb(s) exists in the cubic-closest packed structure The density of Pb(s) is 11.34 g/cm3. Pb(s) exists in the cubic-closest packed structure
Video: Replication of DNA and Chromosomes/ How do cells replicate their DNA? (Animation) no Audio

For a complete list of videos, visit our video library