Which best describes an idea that has scientific consensus? All scientists must support the idea.
Few scientists think the idea is valid.
Most scientists disagree with the idea.
Most, but not necessarily all, scientists agree with an idea.

the last option is the best

Explanation:

no idea that will ever pass without disagrement from other scientists who generate and defend the opposite ideas

the truman doctrine was an american foreign policy whose stated purpose was to counter soviet geopolitical expansion during the cold war. it was announced to congress by president harry s. truman on march 12, 1947, and further developed on july 12, 1948, when he pledged to contain threats to greece and turkey.

not: both offer magnification to the atomic level.