Aforensic scientist examines a body that was discovered while still in a state of rigor mortis. in addition to environmental conditions when the body was found, what understanding will determine approximate time of death.

-The muscles will stay rigid until actin and myosin cross-bridges are destroyed.

-In the noncontracted state, troponin covers tropomyosin-binding sites on actin.

-T tubules help transmit the action potential to release calcium and start contraction.

Explanation:

For forensic science experts, the presence of rigor mortis helps in determining the time of death. It is the body muscles that normally help; if the body muscles are in a relaxed state for the first 3 hours after death, stiffens between 3 hours and 36 hours, and turns relaxed again. then the time of death can be traced easily.

the answer would be:

b. race

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