Answer:
Explanation:
Invention is a new process, method or technology. Its aim at solving a particular problem.
The cause-and-effect relationship with Invention. Most inventions are made for a purpose, some inventions comes in form of modification of the existing one and some are entirely new. If an invention is able to meet the demand and satisfy the needs for which it was made then it has a good cause-and-effect relationship and it could be the beginning of it
Success.
on the other hand, if an invention is not addressing any problem then its marks the beginning of its failure.
Answer:
Main sequence stars fuse hydrogen atoms to form helium atoms in their cores. About 90 percent of the stars in the universe, including the sun, are main sequence stars. These stars can range from about a tenth of the mass of the sun to up to 200 times as massive. Stars start their lives as clouds of dust and gas.
