1 . Why are coral reefs only found in euphoric zone?

Question

a . shallowest zone ********
b . middle zone
c . deepest zone
d . zone with any light or dissolved gases

2. What poses the greatest challenge for human exploration of the Mariana Trench?
a . lack of energy and light
b . heat from volcanic vents
c . the extreme pressure from the water pushing down *****
d . dangerous animals in the trench

3. How does dissolved carbon dioxide affect the ocean?
a . heat up ocean
b . cool down ocean
c . make ocean more alkaline
d . make ocean more acidic *****

4. How are ocean temperatures related to the weather?
a . heat in atmosphere makes stronger hurricanes *****
b . heat in atmosphere offsets the cool ocean which causes cool weather
c . ocean cools off in fall and creates hurricane activity
d . ocean heats up, they become more acidic, which causes acid rain to fall on land

Answer 1

2,3,4 correct.
Question 1 makes no sense, are you certain you typed it correctly?

Answer 2

Agreed to disagree

Answer 3

Question One does not make sense.