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

Author Question: Calcite and quartz are minerals. What properties do they have in common? How do they differ? What ... (Read 110 times)

nummyann

  • Hero Member
  • *****
  • Posts: 576
on: Jul 16, 2018
Calcite and quartz are minerals. What properties do they have in common? How do they differ?
 
  What will be an ideal response?

Question 2

Which of the following statements about abortion is true?
 
  A) Abortion is encouraged by the United Nations as part of its policy on family planning.
  B) Abortion remains the most effective way for people in developed nations to limit family size.
  C) Abortion is rarely performed in developing countries because of the lack of medical care.
  D) Abortion would be less common if family planning services were more widely available.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Cheesycrackers

  • Sr. Member
  • ****
  • Posts: 333
Reply #1 on: Jul 16, 2018
Answer to Question 1

Common
Transparent
Six-sided crystals
Shiny, glass-like luster
Density
Different
Different shapes of their crystal faces
Different hardness
Calcite has three directions of cleavage, quartz has none
They have different chemical formulas

Answer to Question 2

D


nummyann

  • Member
  • Posts: 576
Reply 2 on: Jul 16, 2018
Excellent

debra928

  • Member
  • Posts: 342
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

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

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Common traditional surgical incisions Common traditional surgical incisions
All living organisms descended from a common ancestral cell All living organisms descended from a common ancestral cell
Grieving behavior can have common expressions in different cultures. Grieving behavior can have common expressions in different cultures.
Common Blood Chemistry Tests Common Blood Chemistry Tests
Common Pathological Conditions of the Integumentary System Common Pathological Conditions of the Integumentary System
Overview of a computer-controlled high-pressure common rail V-8 diesel engine. Overview of a computer-controlled high-pressure common rail V-8 diesel engine.
Video: How antibiotics works? 💊

For a complete list of videos, visit our video library