The correct answer is: B) coal.
Coal is a sedimentary rock black or brown color composed of carbon with variable amounts of other elements such as hydrogen, sulfur, oxygen, and nitrogen. The formation of coal goes through two steps: decay of dead plant matter into peat and conversion of peat into coal under the influence of heat and pressure of deep burial.
Throwing waste in to water, or spilling anything in the water that's not supposed to be in the water
Hi.
In short, I believe the reaction you're looking for is a condensation reaction.
~
The function of the thyroid gland<span> is to take iodine, found in many foods, and convert it into </span>thyroid<span> hormones: thyroxine (T4) and triiodothyronine (T3). </span>Thyroid<span> cells are the only cells in the body which can absorb iodine</span>