The upper surface of a water saturated zone within rock or soil is the? Which of the following statement is true about lagoons?

A lagoon is a type of a large lake.
Lagoons are created by earthquakes.
A lagoon is often saltier water.
Lagoons are only found in the Arctic Ocean.

The top of the water-saturated soil zone is the

Today, the ocean is
it was in the past.

Which of the following is a true statement?

The oceans replenish groundwater.
The oceans provide water for rivers and streams.
Lakes are only found in the Northern Hemisphere.
Coral reefs and sandbars create lagoons.

I think this is the last one

Imagine if during the cathode ray experiment, the size of the particles of the ray was the same as the size of the atom forming the cathode. which other model or scientific observation would have also been supported? 1. this would support dalton's postulates that proposed the atoms are indivisible because no small particles are involved. 2. this would support bohr's prediction about electrons moving in orbits having specific energy. 3. this would support bohr's prediction about electrons being randomly scattered around the nucleus in the atom. 4. this would support dalton's postulates that proposed that atoms combine in fixed whole number ratios to form compounds.