Question

Sub: Science
I. Fill in the blanks:
1. The process of comparing an unknown quantity with a known or standard
quantity of same kind is called
2. The distance traveled by light through vacuum in one year is known as
3.
is the force with which the earth attracts a body toward itself.
4. The SI unit of time is

​

Answer 1

Answer:

1. unit
2. km or miles
3. gravitational force or gravity

4. second

Hope it's helpful☺️