How would you combine reactions A–C, shown below, to obtain the overall reaction: $$ Please select all that apply.

By eating a sandwich

Explanation:

your welcome nigel

the old alchemists made significant contributions to science even though there starting premises were off a bit. their conclusions after failure would steer them into better directions for investigation. science is no more than close observation and the initial mistakes result in rethinking and retrying experiments.

air

in a tire you fill a tire with air

then a couple days later you check the air pressure in the tire

hope this mark me brainliest