An operator is working at an open site that has other loud machinery being operated up to 18 hours a day. What type of hazard might the operator be exposed to? Select the best option.

Extreme Temperature

Radiation

Vibration

Noise

the correct answer is c.stops after infancy and childhood.

myelin is the substance of the central nervous system (cns) that insulates nerve cell axons to increase the speed at which nerve impulse travels. myelination is a process of myelin formation. this process occurs postnatally, begins in the embryo during the midst of early development and finishes after birth.

answer:

the correct answer is d

Explanation:

A massive asteroid impact would create long-term changes in the atmosphere and climate of the planet. Upon impact, vaporized dirt and rock would fill the atmosphere, blocking sunlight and creating a state of near-permanent darkness and winter-like conditions.