Clouds are made up of water droplets. which statement best describes how the water droplets get into the air to form clouds? *

1 point

water droplets in clouds are a result of precipitation.

the water droplets in clouds get into the air through absorption.

clouds form on the ground and the wind blows them up into the air.

water evaporates from the surface of the earth and then condenses to form clouds.

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.

Awater tank holds 18000 gallons. how long will it take for the water level to reach 6000 gallons if the water is used at anaverage rate of 450 gallons per day