The "2" located in 2C^2H^6 is a coefficient

yield sign

subscript

reactant

product

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.

How have the greenhouse gasses increased from the year 2000 to 2018

Reduction is a reaction which results in a in electrons and a in positive charge of the atom or ion 1) a- loss 1) b- gain 2) a-increase 2) b-decrease