C) it regulates what goes in and out of the cell
Usually the membrane is the organelles that acts like a door. They decide what type of nutrients and molecules go into the cell.
Sea levels would rise.
Increase in temperature (for example due to global warming) increases the rate of melting of polar ice.
Consequently, the sea levels of the polar ecosystem would increase.
In addition, the melting of the ice caps also increases the temperature of the water in the oceans. As a result, the water expands which also increases the sea levels.
Mark as brainiest please
D)
Because a scientific theory is something that has been proven over the trials of many tests
Hope that helps :)
D. The input of solar energy can be added