Changes to can be ascribed to glacial melting. a. Earth’s surface b. CO2 levels c. coral reefs d. water pollution

a. Earth’s surface

Explanation:

The glacial process is a geomorphological process caused by the action of ice, snow, and frost.

When the water flows away from the glacier melting of the sea, it goes to the ocean, so the amount of water in the ocean provokes the changes on the coasts. This is happening slowly and, in the end, we are starting to see changes in the Earth's surface

several tissues working together form an organ, and several organs together make up an organisms.

the group of cell that carries out special jobs are tissue.