Why is the gravitational potential energy of an object 1 meter above the moon’s surface less than its potential energy 1 meter above earth’s surface?
a. the object’s mass is less on the moon.
b. the object’s weight is more on the moon.
c. the object’s acceleration due to gravity is less on the moon.
d. both a and c

in 1859, charles darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. he defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".

yes

no

blue is scattered more than other colors because it travels as shorter, smaller waves. this is why we see a blue sky most of the time.

her next move would be to use agarose gel electrophoresis to separate the dna molecules of varying length and create a dna fingerprint.

characteristics of hydrocarbons