mass
The possessive form of the noun gravity is gravity's.Example: Gravity's reliability is the basis of my invention.
The moon's gravity is about 1/6th of Earth's gravity.
The gravity on the moon is about 1/6th of the gravity on Earth.
Martian gravity is only 38% of the Earth's gravity.
The gravity on the moon is about 1/6th of the gravity on Earth.
Operational is something that is in use. Operational also mean ready for use.
moral
dissolvable
style and coolness.
they are kool...
dividend
something that you know
It is the past of the verb to come.
Ennui is the definition of boredom.
incessantly means endlessly; constantly
willy
hemisphere-one half of the earth