Questions

A reflex arc is a neural pathway that controls a reflex. In vertebrates, most sensory neurons do not pass directly into the brain, but synapse in the spinal cord. This allows for faster reflex actions to occur by activating spinal motor neurons without the delay of routing signals through the brain.

Random fluctuations in the gene frequencies within a population Eliminate is the one which best describes genetic drift.

Increasing the Alveolar ventilation rate will increase the rate of carbon dioxide diffusion from the blood to the alveoli.

Any type of insurance, be it home, auto, life, health, etc. are based on a principle of division of risk.

Division of Risk :: This is based on how much risk the insurer estimates the insured's coverage to be. The riskier the opportunity (bad health, area the home is in) the higher the premium costs.

The law of conservation of mass states that in any closed system the mass of the system is neither created nor destroyed over time i.e, the mass cannot be changed overtime.

Hence, the given statement is true.

If it loses an electron it becomes a positive ion