C is the answer for this one
It could be to avoid injuries. One reason why there are several rules in
exercising is to ensure that a person will not get injured during a
workout. Injuries can occur when one is
either handling too much weight, doing the exercise wrong, not using proper
equipment or does not have a partner or trainer assisting him.
Answer:
A. Rads, rems and SI units
Explanation:
The X-ray technician or the radiologist work in a field which allows them to study about "radiation." In relation to this, the units of<em> rad, rem</em> and<em> SI units </em>are being considered<em> units of measurements. </em>
The unit referring to absorbed radiation is known as "rad." On the other hand, "rem" means<em> roentgem equivalent man</em>. This measures the effect of the amount of radiation in low levels towards the human body. It is conventional to use the unit "rad" when measuring the radiation or by using "gray," an SI unit.
Answer:
Crossing over is essential for the normal segregation of chromosomes during meiosis.
Explanation: