Which planet would make the closest approach to Earth as the planet orbits the sun? Planet

Distance from the Sun in AU

Mercury

0.387

Venus

0.723

Earth

1

Mars

1.52

Jupiter

5.20

Saturn

9.54

Uranus

19.2

Neptune

30.1
A. Mercury
B. Jupiter
C. Venus
D. Mars

At a temperature of 393 k, the temperature of a sample of nitrogen is 1.07 atm what will the pressure be at a temperature of 478 k

Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering

15. which of the following is not human-caused groundwater pollution? a. water in an aquifer dissolves elements such as arsenic and mercury from surrounding rock. b. water in an aquifer is contaminated by leachate that seeps into the ground from a landfill. c. water in an aquifer becomes polluted with chemicals used in hydraulic fracturing, or fracking. d. water in an aquifer absorbs harmful bacteria from the drainage field of a septic tank.