Question

itz riyaz07 hi from mp​

Answer 1

Answer:

the intellectual and practical activity encompassing the systematic study of the structure and behaviour of the physical and natural world through observation and experiment.

Answer 2

Explanation:

Definition: Zenith is the imaginary point that is directly above a particular location on the celestial sphere. ... The opposite of zenith, that is the direction of the gravitational pull, is called the Nadir, at 180 degrees. Zenith, in astronomy terms, is the point in the sky directly overhead.