<u>RESEARCH ON PROXIMA CENTAURI:</u>
- Robert Innes discovered proxima centauri which is closest to the Sun in 1915 and it is believed to be 4.85 billion years old.
- Innes used a blink comparator though later he was in competition with another scientist named, Voute who provided theoretical values pertaining to the star more accurately than Innes.
- The recent findings found a planet which is located close to the Proxima Centauri making it the closest planet to our Solar System.
B, d. is earth's orbit around the sun
A vast, flat,treeless arctic region of Europe,Asia,&& North America in which the subsoil is permanently frozen.
Answer:
the answer is this will cause the suns rays to go through the earths atmosphere and heat up the planet causing it to become hotter.
Explanation:
we are causing this by our factory's and cars pollution.Causes : chlorofluorocarbon (CFCs), halons, and other compounds deplete the ozone layer.