Por que o século xx é uma era de incertezas? como a ciência contribuiu para o “incerto”?

Aregion of space in which a measurable gravitational force is indicated by the force exerted on a test mass is called

Will give brainliest! which statement best describes the difference between strong nuclear forces and weak nuclear forces? weak nuclear forces are involved when certain types of atoms break down. strong nuclear forces are responsible for holding atoms' nucleus together. weak nuclear forces hold bonds between atoms together. strong nuclear forces hold together the nucleus of an atom. strong nuclear bonds prevent atoms from falling apart. weak nuclear bonds prevent compounds from falling apart. strong nuclear forces are involved in breaking electrons from their shells. weak nuclear forces hold protons in the nucleus.

The built in flash in a compact camera is usally capable of giving correct exsposure for distance up to how many meters?