Four satellites are in orbit around the earth. the heights and the masses of
the four satellites are given in the table. for which satellite is the gravitational
pull of earth the weakest? f= mm
satellite
mass (kg)
orbit height (km)
<
lo
e
o
a. satellite a
o
b. satellite b
o
c. satellite c
o
d. satellite d

Which radioisotope is used to date fossils? a. oxygen-16 b. carbon-14 c. uranium-238 d. carbon-12

Which of the following warnings would an agricultural chemist tell a farmer who wants to recycle his or her own ammonia? recycling ammonia is a difficult process that sometimes takes weeks. recycling ammonia requires a degree in biochemistry or a related field. recycling ammonia can be harmful because it is highly flammable and toxic. recycling ammonia costs too much money considering the price of the necessary chemicals.

How does the attraction between particles affect the ability of a solvent to dissolve in a substance