General Science Questions

From the given options, a power plant uses a nonrenewable energy source to make electricity. A power plant uses coal for making power production.

Yellow Journalism refers to a type of journalism with the use of lurid features like eye catching head lines and sensationalized news in newspaper publishing to attract readers and increase circulation. The techniques that are used in this journalism may include exaggerations of news events, scandal-mongering, or sensationalism.

The Flynn Effect refers to the observed rise in IQ scores over time, resulting in norms obsolescence.

Proteins are made from chain of aminoacids.

Methane is a greenhouse gas that has 23 times adverse effects on climate than carbon dioxide. Methane is that greenhouse gas which is produced by the raising of cattle. On an average a cow can produce 80 - 120 kgs of methane in an year.