It's b because carbon and oxygen are elements which and methane is a mixture of the two aka a compound
Answer:
Both
Explanation:
An industrial chemist most consider must consider both the income earned from production of a chemical and the cost of handling the waste materials created.
A high yield is desirable, because it maximizes income.
A high atom economy is desirable, because it minimizes the amount of waste and therefore the cost of treating it.
So you poop in a hole after A couple weeks it disintegrates
Answer:
Heat flows from the reactor to the water
Explanation:
The thermal energy mentioned in the description is another way to say heat. The energy that is produced by the nuclear reactions leaves the reactor and enters the water, warming it.
The passage does <em>not </em>say that heat flows in the form of electricity, but rather that the turbines turned by the steam produce electricity.
The passage does <em>not </em>say that the steam produces the heat, but rather that the boiling of the water (caused by the heat) produces steam.
Hardness plays a major role in identifying a mineral. it can make the identification process much simpler by considerably narrowing a search. hardness is defined by how well a substance will resist scratching by another substance.