Answer:
A scientific theory is an explanation of an aspect of the natural world that can be repeatedly tested and verified in accordance with the scientific method
Explanation:
Answer:
Heart disease is a non communicable disease because it does not happen due to any virus or bacteria.
Explanation:
Diseases caused due to virus and bacteria are mostly communicable. Heart Disease is caused due to poor supply of nutrients in hearts.
The fact or state of being engrossed within something.
or
the process or action by which one thing that absorbs or it is absorbed by something else.
Scissors change the magnitude or direction of a force without any motor.