Help pls I will mark brainlest​

Arecipe calls for 1.2 cups of oil. how many liters of oil is this?

Americium-241 undergoes fission to produce three neutrons per fission event. if a neutron-absorbing material is mixed in with this sample so that the rate of neutron production drops down to 1.8 neutrons per fission event, which will be effective at achieving a critical mass? check all that apply. remove a deflective shield surrounding the sample. remove absorbent material mixed in with the sample. compress the sample of americium-241.

Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?