Author Question: A coral is a type of ________ that secretes ________ to form an organic rock home. A) algae; ... (Read 101 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?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

For a complete list of videos, visit our video library