What do we call the tiny core at the center of an atom, containing most of the atom's mass and all of its positive charge?

Asap time is ! best answer gets compose at least one well-developed paragraph on the following: define the term concurrent powers, and give an example of a concurrent power of government.

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz. what wavelength is produced?

An object's buoyant force and weight mean the same thing.a. trueb. false