Questions

A battle was fought between Iran under the king Darius and the state of Greece in 490 B.C at Marathon near Athens. This battle is known as the 'Battle of Marathon' in World History.

The three steps within the aerobic respiration process are glycolysis, the citric acid cycle, and oxidative phosphorylation.

Photosynthesis builds glucose, and what was built in photosynthesis is broken down during aerobic respiration.

Hence, production of ATP from the breakdown of glucose is the main result of aerobic respiration.

A conception of right and wrong is the definition of Ethics.

Ethics are societal norms adopted by a group which deals with the fundamental human relation ships.

NASA announced a Seven new system of Exoplanets, which are Earth-size, and could potentially hold life.These exoplanets are located outside of our solar system and orbit a star. NASA has named the system of planets after the ‘Transiting Planets and Planetesimals Small Telescope,’ which is located in Chile. This telescope first discovered three of the planets in this system in May 2016. Unlike Earth, which rotates on its axis, the planets are “tidally locked to the star.” This means that one side of the planet has only day, and one side has only night. It also means the weather conditions are unlike what we experience on Earth.

S8 is an elemental form of sufur. In elemental form it can't be reduced or oxidized. Hence, it oxidation number is zero and thus sulfur is zerovalent here.