Author Question: Mica and clay minerals have a platy crystal form because they have a sheet-like structure of silica ... (Read 95 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?

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

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

For a complete list of videos, visit our video library