Aderived unit is a combination of fundamental units. which of the following is an
example of a derived unit?
a-centimeter (used to measure distance)

b-cubic centimeter (used to measure volume)

c-gram (used to measure mass)

he is very short, and he can only reach halfway up on the elevator buttons. but on a rainy day, he has his umbrella with him, and he uses it to poke the button at the top.

the correct answer, according to e2020, is the second choice there is an occluded front in region a and a cold front in region b.

frogs. the lower the ph the higher the acid content. frogs have the highest tolerance in this scenario.

answer: ice crystals in air

the water from the water body or another source of water gets evaporated as water vapor as an effect of heat on water. these water vapor rises in the upper layers of the earth atmosphere under high atmospheric pressure. the atmospheric pressure of these water molecules starts to decrease due to the effect of cold air. the invisible water vapor condenses into visible water droplets and ice crystals.these ice crystals and water droplets being less denser than the surrounding air floats on air as clouds.