The answer is control variable
b is the answer i hope this helped...
Atom A and atom C are the same element.
I would say the last option, since with an increase in temperature, water molecules will speed up.
Answer:
Weight is a force.
Explanation:
Force acting on an object is defined in terms of mass and its acceleration. Its mathematical force is given by
F = ma
Weight of an object is force that the Earth exerts on an object. It can be given by the formula as follows :
W = mg
g is acceleration due to gravity on the surface of earth
Hence, the correct option is (d).
