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 208 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

smrtceo

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Risks of infectious disease increase in (a) high-density agricultural populations compared to (b) lo Risks of infectious disease increase in (a) high-density agricultural populations compared to (b) lo
Density of Papillae, and Hence Taste Buds, in a Supertaster and in a Normal Taster Density of Papillae, and Hence Taste Buds, in a Supertaster and in a Normal Taster
A healthy diet is made up of well-balanced nutrients. A healthy diet is made up of well-balanced nutrients.
Population Density versus Economic Growth Population Density versus Economic Growth
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
What is the volume of 19.6 g of a liquid that has a density of 0.967 g/mL? What is the volume of 19.6 g of a liquid that has a density of 0.967 g/mL?
Video: Magnetic resonance imaging (MRI)

For a complete list of videos, visit our video library