The ancient bacteria are members of the domain
a) archaea.
b) bacteria.
c) eukarya.
d) monera.

The correct answer is-

A) Archaea.

Archaea is considered as one of the three domains of life forms according to the three domain classification system of Carl Woese.

It consists of the most primitive forms of bacteria (prokaryotes) that  survive under extremely harsh environmental conditions (therefore also termed extremophiles) such as hotsprings, hydrothermal vents, extreme acidic and salty conditions etc.

Example of Archaea- Methanogens.

answer; 60-100; beats per minute

it also supports my hypothesis. if you rest first you can squeeze the clothespin more times. from the data i collected the average of the eight people concluded exercise makes your muscles more fatigued and less able to squeeze the clothespin compared to resting before squeezing.