Please help :) What is the purpose of a unit conversion?
A. To express a scientific expression in a general form all scientists
can understand
B. To change an amount in one unit to its equivalent amount in
another unit
C. To keep track of the units associated with a number throughout an
equation
D. To express the amount of something in terms of its number of
smallest units

c

Explanation:

because natural gas is colorless, odorless, and tasteless, distributors add mercaptan (a chemical that smells like sulfur) to give natural gas a distinct unpleasant odor (it smells like rotten eggs). they locate the types of rock that are likely to contain natural gas deposits.

it forms an anion that has a larger radius. anions have a negative charge and are larger than the original atom.