Author Question: Mica and clay minerals have a platy crystal form because they have a sheet-like structure of silica ... (Read 38 times)

asmith134

  • Hero Member
  • *****
  • Posts: 576
Mica and clay minerals have a platy crystal form because they have a sheet-like structure of silica tetrahedra.
  Indicate whether the statement is true or false

Question 2

____ are a type of lithostratigraphic unit with distinctive upper and lower boundaries.
 A)Biozones
 B)Stratotypes
 C)Formations
 D)Systems
 E)Zones



Expo

  • Sr. Member
  • ****
  • Posts: 351
Answer to Question 1

True

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

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

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

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.

For a complete list of videos, visit our video library