Select the correct answer.
which quantity is a scalar quantity?
a.
acceleration
ob.
area
displacement
d.
force
velocity

the earths atmosphere is made up of nitrogen and oxygen. solids can turn into gasses through a process called sublimation. sublimation is the transition of a substance directly from the solid to the gas phase, without passing through the intermediate liquid phase.

hope this : d

the answer is ampere

the ampere is used to measure electricity. an ampere is a unit of electric current equal. a unit of measure for the flow of current in a circuit. one ampere is the amount of current flow provided when one volt of electrical pressure is applied against one ohm of resistance.

electric field is a function of 1/r^2

yes, the force per unit charge for a point charge is inverse square law.