Answer:
Option A is correct.
Explanation:
The force of gravity does not affect the horizontal component in projectile motion; a projectile maintains a constant horizontal velocity. So there is no acceleration ( a=0 ) in horizontal direction as velocity remains constant.
Answer:
Pure research is conducted without any specific goal in mind. Applied research is conducted in order to solve a specific and practical problem, unlike pure research. Hope this helped.
Answer and Explanation:
Stars create energy primarily through the fusion of hydrogen into helium through nuclear reactions.
Infrasound sound is any sound that are below the sound a human can hear, elephants use it to communicate with other elephants.
