What is the part of an experiment that is not being tested and is used for comparison

away from the curb

explanation:

the wheels would then hit the curb if it started to rolling, decreasing the chance of an accident.

radioactive decay occurs in unstable atomic nuclei – that is, ones that don't have enough binding energy to hold

the nucleus together due to an excess of either protons or neutrons.

warm front forms when a moist, warm air mass slides up and over a cold air mass. as the warm air mass rises, it condenses into a broad area of clouds. a warm front brings gentle rain or light snow, followed by warmer, milder weather.

hope i !

answerleaving cheese out to get moldy;