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

the contamination

we are putting to many trash.

c. is the correct answer

the law of original horizontality explains:   why rocks appear in layers. correct answer: b the law suggests that all rock layers are originally laid down (deposited) horizontally and can later be deformed.   the principle is used by geologists to make assumptions about the relative ages of sedimentary rocks.