True or False?

During respiration, plants produce energy and release oxygen.

True or False?

When water evaporates, it turns into a gas.

True or False?

The water cycle produces rain.

True or False?

Salinity in the ocean is the same from place to place.

True or False?

We can float more easily in saltwater than in freshwater.

True or False?

Floating in the Great Salt Lake in Utah or the Dead Sea in Israel would be extremely hard.

True or False?

Salinity decreases as ocean depth increases.

True or False?

Plants add mostly carbon dioxide to seawater.

True or False?

Carbon dioxide is essential to buffer seawater and

maintain the pH level.

True or False?

Both seawater and fresh water are opaque

True or False?

At low latitudes (closer to the equator), salinity increases with depth.

True or False?

River run-off, ocean temperature, and ocean depth affect salinity.

True or False?

Sodium and chlorine have the highest residence time of all other ions.

True or False?

The average salinity of the Earth's oceans is 3.5%