Question

what happens to lithium deposits when demand increases? they are converted into other compounds. they become exhausted and require new mining techniques. they are unaffected by demand changes. they are replenished naturally.

Explanation:

Lithium is a finite - resource. As demand for it increases, existing deposits are mined at a faster rate, leading to exhaustion. New mining techniques may be required to access remaining or previously uneconomical deposits.

Answer:

They become exhausted and require new mining techniques.