Photosynthesis is a redox reaction. this means that h2o is during the light reactions and co2 is during the calvin cycle.

The big bang nucleosynthesis theory states that elements were produced in the first few minutes of the big bang while elements have their origins in the interiors of stars, forming much later in the history of the universe.

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt