<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.
Answer:
The third one is the right one it was on my AP PRE EXAM
Explanation:
Answer:
Stream gradient refers to the slope of the stream's channel .It is the vertical drop of the stream over a horizontal distance.
Explanation:
Gradient is the slope or steepness of a stream channel. It affects the stream's velocity because the steeper the gradient is the greater the velocity due to gravity.
Answer:
The distribution of plants and animals are changed.
Explanation:
If there is a change occur in one part of the Ecozone so the animals and plants present in that ecozone migrated or die if there is no tolerance present in it. Change in ecozone occur due to climate change around the world. Due to global warming, the climate of ecozone changes which is not suitable for the animals and plants living in that ecozones so they migrated to other suitable regions and only those plants and animals survive which have tolerance in their body against that change.
