An apple falls from a tree and hits the ground 9.98 m below. with what speed will it hit the ground

Your answer is c. explanation: plasma  is the fourth state of matter, derived from the gaseous state of matter.  plasma  can contain free  electrons  and/or  ions. while  plasma is never neutral, it can either be positively or negatively charged.  gases, however, are electrically neutral.

This is what a calorimeter is used for simpler ex, to measure calories in food.

It really doesn't matter for any of the questions that you've listed.

Answermake them get very hot and over time wear them out;