Question

Which of the following gases is crucial for the survival of marine life?
Group of answer choices

hydrogen (H)

nitrogen (N)

oxygen (O2)

helium (He)

Flag question: Question 2
Question 21 pts
What role do rivers and streams play in the ocean's ecosystem?
Group of answer choices

They separate the ocean into distinct bodies.

They decrease the ocean's depth.

They cool ocean temperatures.

They carry salts and minerals to the ocean.

Flag question: Question 3
Question 31 pts
How does the Coriolis effect influence ocean currents?
Group of answer choices

The Coriolis effect decreases the temperature of ocean currents.

The Coriolis effect causes water to deflect to the right or left.

The Coriolis effect makes ocean currents flow in a straight line from pole to pole.

The Coriolis effect increases the speed of currents near the Equator.

Flag question: Question 4
Question 41 pts
What is the ocean’s average salinity?
Group of answer choices

55 parts per thousand

35 parts per thousand

25 parts per thousand

45 parts per thousand

Flag question: Question 5
Question 51 pts
What causes tides in the ocean?
Group of answer choices

the movement of ocean currents

the Earth’s rotation on its axis

the evaporation of ocean water

the gravitational pull of the moon and the Sun

Answer 1

1. oxygen (O2)

2. They carry salts and minerals to the ocean.

3. The Coriolis effect causes water to deflect to the right or left.

4. 35 parts per thousand

5. the gravitational pull of the moon and the Sun