The right answer is 2HgO → 2Hg + O2
Balancing a balance equation consists of finding the right stoichiometric coefficients. These coefficients (placed in front of each molecule) balance the number of each of the different atoms involved during a chemical reaction.
In this reaction, we find on both sides the same number of atoms: two oxygen atoms and two atoms of mercury.
Answer:
B.
burning of fossil fuels
it increase the amount of carbon present in atmosphere.
Answer:
Peas were an ideal choice for Mendel to use because they had easily observable traits there were 7 of which he could manipulate
<span>Dilation or constriction of blood vessels, drugs, caffeine, and pathological conditions, such as: atherosclerosis, strokes, heart disease, vascular diseases.</span>
