Select the correct answer. What is the heat content, q, of the reaction when glucose burns?
OA. q=0
OB. q> 0
O C. q<0
OD. 920

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.

All cells are made of four types of acids, lipids, proteins, and carbohydrates.

Light waves can move through , but they travel fastest when they move through a(n) .