Which of the following hydrothermal vent fields releases methane ...

[jeatrice]

Which of the following hydrothermal vent fields releases methane and hydrogen into the surrounding water instead of hydrogen sulfide and dissolved metals from typical black smokers?
 
  A) Coaxial
  B) Guaymas Basin
  C) Lost City
  D) Lucky Strike
  E) Tubeworm Barbeque

Question 2

Some planktonic marine organisms produce a tiny droplet of oil to ________ density and ________ buoyancy.
 
  A) decrease; decrease
  B) decrease; increase
  C) increase; increase
  D) increases; decrease
  E) There is no relationship between density and buoyancy.

[randomguy133]

Answer to Question 1

C

Answer to Question 2

B

[jeatrice]

TYSM

[xiaomengxian]

Thanks for the timely response, appreciate it