Which statement applies to resources from the sea? A) They are ...

[jparksx]

Which statement applies to resources from the sea?
 A) They are easier to recover than from the land.
  B) They are more difficult to locate and extract than resources on land.
  C) They are in greater variety than minerals on land.
  D) They are less expensive to recover than from land.

Question 2

Hydrothermal vents support a community of organisms including pogonophorans, clams, crabs, and worms, just to name a few. But hydrothermal vents are found in the deep-sea far from the photic zone. If no light reaches hydrothermal vents, what is the basis of the primary productivity that supports the community?

[nixon_s]

Answer to Question 1

B

Answer to Question 2

Chemosynthetic microbes metabolize sulfur-containing compounds. Other organisms form symbiotic relationships with these microbes, or consume them.