Explanation:
Single lensed Microscope for observing bacteria and protozoan
Answer:
A and C
Explanation:
A. because when we humans are burning maybe our refuse or garbage it will go up to the ozone layer causing air and then it will then result to carbon dioxide.
True - The Big Bang Theory is the most popular THEORY out their. Meaning it is NOT a fact
Answer:
1. A massive star depletes its nuclear fuel; gravity overpowers the star; supernova occurs; core of star collapses
2. black hole; gravitational pull
3. The center of the Milky Way
Explanation: