Which of the following will protect us from the sun's harmful rays?

a. only going outside on cloudy days
b. long-sleeved shirts and pants
c. only going outside at night
d. tanning oil

What is the cause hearing loss in human being

In each transformation of energy , some energy what?

The human body needs energy in order to carry out life processes such as breathing. where does the body get this energy? a. from eating food b. from learning about new things c. from lying in the sun d. from sleeping