Answer:
A+B C. Only one of the unknown substances is a catalyst, and the others are nonreactive with A, B, or C. When 10 mL of A is added to 10 mL of B the reaction takes twenty seconds. Bubbles form when the product C is created. The student prepares three test tubes, each containing both reactants A and B. She adds unknowns X, Y, and Z to test tubes 1, 2, and 3, respectively.
Answer:
i need the points, the brainly points
Explanation:
sry its for the answers
Answer:
c
Explanation:
These thyroid hormones stimulate all the cells in the body and control biological processes such as growth, reproduction, development, and metabolism.
i think c. is the best answer , we just got off that topic like a week ago .
Explanation:
The answers are: C D E. Cells are semi-permeable which means it chooses what nutrients and h2o to enter and excretes cell waste into the bloodstream.
