Does a scientific inference connect to the hypothesis, conclusion, or both of these stages?

It connects to both of the stages.

Explanation:

This is because the hypothesis and the conclusion is basically an improved and proven version of scientific inference.

"the periodic table is arranged in order of atomic number."

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.