General Science Questions

Joseph Priestley and Carl Wilhelm Scheele both independently discovered oxygen in the year 1774, but Priestly is usually given credit for the discovery.

Secondary succession means in an ecosystem renewal of itself after all or a portion has been destroyed.

After a forest fire, the whole forest had destroyed but after that again renewal of that forest is also an example of secondary succession.

Core of earth is also known as Barysphere.

Cerebrum is the largest region of the brain.

Nuclear power energy source generates radioactive waste.

Cholesterol is referred as an amphipathic molecule, that it contains its hydrophilic and hydrophobic parts.