Question

1. Fill in the blanks:

a) _________ is the systematic study of the natural world through observation and

experimentation.

b) ________ mechanics has led to the development of electron microscope and lasers.

c) A quantity that can be measured is called a _________ quantity.

d) A _________ is the time taken by the earth to complete one rotation around itself.​

Answer 1

Answer:

(A) Science

(C) physical quantity

(D) 24 hours