One of the most important sources of energy is the sun. The energy of the sun is the original source of most of the energy found on earth. We get solar heat energy from the sun, and sunlight can also be used to produce electricity from solar (photovoltaic) cells
1) Renewable energy
energy from a source that is not depleted when used, such as wind or solar power
2) non renewable energy
A non-renewable resource is a natural resource that cannot be readily replaced by natural means at a pace quick enough to keep up with consumption

Answer: Secretive.
Explanation: The character of the described paragraph is a person who, looking for something eagerly, something that he considers as yours and that, however, if seen by others, would be taken from him, shows decision in his task, and precision in his act, since the last thing he wants is to be observed, detected in his intention.
Answer: a) selecting an impartial leader.
Explanation:
Groupthink is the technique which is used by a group of people to make a decision without considering opinion, thoughts,suggestion etc of members of group.This leads to elimination of creativity and degraded decisions.
To eliminate group-think, the possible way is to choose a impartial leader of that group. Impartial leader will tend to welcome and hear opinion and suggestion from members and also will not expect that everyone should to think about particular result.
Other options are incorrect because people who raise objection are also required so that their objection can be considered for betterment of decision.Conformity cannot help in removing group think.Outside experts are already not a part of group.
Thus, the correct option is option(a).
Answer:
Causes:
-illiteracy
-lack of awareness
-early marriage
-masculinity
solutions:
-People should be provided with education
-awareness programms should be held
-marriage shouldn't be done before the age of 18
-faminism should be supported
(hope this helps :))
Answer: a. When prices in the stock market are up nothing happens. If they are down, the economy is in trouble.
Explanation:
The beauty of the economy is when the stock market is up. It means there would be more money in circulation to do businesses and when businesses are done the economy is wealthy and everyone is affected positively to a great extent. When there is a crash in the stock market it demoralizes the economic growth and lower stock price would mean a reduction in money used in businesses as companies won't want to commit much funds to doing business.