Ascientist conducted an experiment to determine how acids affect a newly discovered metal. the scientist was careful to record the steps of her experiment, as well as her observations and results. what should the scientist do next? a. come up with a new hypothesis that she can test on the newly discovered metal. b. report her results to the scientific community. c. hide her results from other scientists so that they won’t steal her idea. d. ask the local newspaper to publish her results.

She should B. report her results to the scientific community.

Publishing her results in the local newspaper (D) won’t inform the scientific community.

She doesn’t have a hypothesis (A) that she needs to change.

If she is going to hide her results (C), why did she do the experiments in the first place?

Besides carbon dioxide and water as the main products of burning coal, there are a number of by-products of burning coal, such as different oxide of sulfur (usually SO₂, but much more), different oxide of nitrogen, and many heavy and toxic metals (such as mercury, arsenic, cadmium, lead).
Coal has more aromatic hydrocarbons that more aliphatic fuels and burning of aromatic hydrocarbons produces more soot that burning of aliphatic hydrocarbons.