Author Question: Why does hot water come out of hydrothermal vents on the flanks of the mid-ocean ridges? a) Water ... (Read 71 times)

folubunmi

  • Hero Member
  • *****
  • Posts: 524
Why does hot water come out of hydrothermal vents on the flanks of the mid-ocean ridges?
 
  a) Water is released from the mid-ocean ridge magma and oozes out of the crust
  b) Flows of hot lava on the sea floor cause seawater to be heated
  c) Sea water percolates downward through cracks in the crust, is heated in the hot deeper crust, and rises back up to the surface through other cracks
  d) Chemical reactions result in dehydration of the crust when freshwater is in contact with fresh basalt near the mid-ocean ridge
  e) Seawater percolates downward in the crust through cracks and flashes to steam on contact with hot lava deep in the crust

Question 2

What is the purpose of hard stabilization?
 
  a) To decelerate coastal winds
  b) To increase biodiversity along a coast
  c) To protect a coast from erosion
  d) To be used as an alternative to groin fields



jazzlynnnnn

  • Sr. Member
  • ****
  • Posts: 335
Answer to Question 1

C

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

For a complete list of videos, visit our video library