If too many chloride ions are built up outside of the cell, with which type of transport is the carrier protein

Explanation:

It's also called passive transport, this refers to the process of transporting molecules or ions across a membrane. The passive name is given to it, because for this process chemical energy, like ATP, is not required. That's the difference between active and passive transportation.

Also, ions are only involves in a facilitated diffusion.

i'd say that the moon rock is about 2.2 billion years old.