Author Question: A coral is a type of ________ that secretes ________ to form an organic rock home. A) algae; ... (Read 108 times)

Mr. Wonderful

  • Hero Member
  • *****
  • Posts: 866
A coral is a type of ________ that secretes ________ to form an organic rock home.
 
  A) algae; silica
  B) polyp; silica
  C) algae; calcium carbonate
  D) polyp; calcium carbonate
  E) algae; carbon dioxide

Question 2

The energy released by a magnitude 8 quake on the Richter scale is how many times greater than that of a magnitude 6 quake?
 
  A) 3.15 B) 31.5 C) 63 D) 992 E) 31,255



jgranad15

  • Sr. Member
  • ****
  • Posts: 345
Answer to Question 1

D

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

For a complete list of videos, visit our video library