Which of these statements are true?

a. both high- and low-pressure systems lead to rain.
b. low-pressure systems lead to rain.
c. high-pressure systems lead to rain.
d. neither high- nor low-pressure systems lead to rain

The table below shows the acceleration of gravity on different bodies in the solar system. on which body would a 10 kg lamp has the most gravitational potential energy when lifted to a height of 2 m? a. earth b. mars c. neptune d. uranus

If a star is moving toward earth, it is

If you visited mount shasta city (elevation 900 m [3000 ft.]) and found the outside air temperature to be 27°c (81°f), what would be the air temperature at the summit of mount shasta (elevation 4200 m [14,000 ft.]) at that moment-assuming that the temperature conditions with altitude change at an average, or normal, lapse rate?