When Apollo 15 astronaut David Scott did his famous free fall experiment on the moon, he dropped a falcon feather from a height of about 1.6 meters. Assuming a gravitational acceleration of 1.6 m/s on the moon, about how long did it take the feather to drop to the surface? A) 1.0 seconds
B) 1.4 seconds
C) 1.6 seconds
D) 2.0 seconds

0.2348 grams of pbcl2 used to form 44.0 ml of solution.

When a septic tank backs up a goes in to clean it out

What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.