Answer:
Buckminsterfullerence is called an allotrope of carbon because it was discovered during an experiment involving a cluster of beam which uses laser to vapourise a graphite rod in a helium atmosphere to produce carbon plasmas.a mass sectrometry evidence from the experiment showed that carbon molecules with C60 were forming with a spheroidal geometry.so therefore it was included as an allotrope of carbon.
Answer:
Jet streams are fast flowing, narrow, meandering air currents in the atmospheres of some planets, including Earth
Explanation:
Answer: mass
Explanation: the protons and neutrons make up the nucleus and nearly the entire mass of the atom