Why does a star produce its own light and heat?
- Nuclear fission
- Nuclear fusion
- Chemical reaction
- None
Stars are huge celestial bodies made mostly of hydrogen and helium. Heat and light energy produced by the stars are due to the fusion reaction of hydrogen atoms.
People who regularly move in and out of poverty (for example small farmers and seasonal workers). The occasionally poor are rich most of the time but may sometimes have a patch of bad luck are called ______
- Chronic poor
- Churning poor
- Transient poor
- Non-poor
The churning poor are the people who go in and out of poverty (for example, small farmers and seasonal workers).
What is the pulsating theory of the universe?
- A cosmological model that combines both the Big Bang and the Big Crunch as part of a cyclical event
- An expansion and contraction of the star as a whole in a regular periodic pulsation
- All the matter of the universe was present in a single place in the form of hot and dense fireball
- Counting of the galaxies is constant and new galaxies which are forming continuously are filling the empty spaces
Sir J.C. Bose proposed a theory of the ascent of sap known as the pulsation theory. The Pulsating Universe Theory says that the universe follows self-sustaining cycles such as expanding and contrasting.
What does republic mean in the Indian Constitution?
- India is a Union of States
- The head of state is elected by people
- People have final authority in all the matters
- India has parliamentary system of government
'Republic' is a State in which supreme power is held by the people and their elected representatives. It has an elected head of state rather than a monarch.
__________ is the migration of health personnel in search of a better standard of living and quality of life, higher salaries, access to advanced technology, and more stable political conditions in different places worldwide.
- Immigration
- Emigration
- Brain Drain
- Mass Exodus
“Brain drain” is a term used to describe the large-scale migration of skilled human capital that causes a country to lose its innovative capabilities and limits its economic growth.
