NEED URGENT HELP WITH SCIENCE HOMEWORK. TRIED MY BEST TO FIGURE OUT BUT COULDNT. I WILL MARK YOU BRAINLIEST!! Morains are

depositional material covered up when a glacier forms

deposition material exposed after a glacier retreats

depositional material on top of a glacier

Which of the following is a feature of old glacial areas?

Limestone pavement

Deserts

Fjords

Which of the following is required for karst topography?

limestone rock is exposed to the surface

precipitation is adequate for the necessary chemical reactions to occur

both of the above

Which of the following causes most coastal erosion?

Wind

Waves

Biological activity

Which of the following statements is false about constructive waves on coastal shorelines?

Constructive waves carry sand to the shoreline

Compared waves deposit sand on the shoreline

Constructive waves are the major contributor to beach erosion

The fetch is the water that washes up on a shore after the breaking of a wave.
True

False

Wave refraction, the bending of waves as they approach an island, is the process responsible for the formation of bays.
True

False

The subtropical zones are because they are influenced by dry descending air.

dry deserts

warm tropics

cold tundra

In humid climates, dense vegetation discourages wind erosion.
True

False