Answer:
Compare spectra obtained before and during an eclipse
Explanation:
- The passage of a planet between the star and the earth id called as a transit.
- The compassion between the spectral variation obtained from the light emitted by the planet can be used to find the presence of the exoplanet.
- The transiting planet has an atmosphere as some of the light passes from the sun and reaches the earth from the atmosphere of the planet.
- The brightness goes on decreasing as the planet passes out in an eclipse phase.
1884-1885 I think sorry if wrong.
Answer:
True -
The Tonkin incident - called totally unprovoked by the administration - which led Congress on Aug. 7, 1964 to pass a resolution declaring that the United States was “prepares, as the President directs, to take all necessary steps, including the use of armed force,” to assist South Vietnam.
Its either the Yukon Territory or the Interior Plains... cant remember much sorry :)
Answer:
they contribute in economy because
1. It is one of the factors for Hydro-electric power which is a friendly source of electricity
2.It can be used as touristic attractions by which the country gets foreign currency
3.Source of food,many animals live in the rivers which is the source of food
4. Can be used to conduct economic activities like fishing
Explanation:
hope it helped you :]