The atomic mass of an atom is equal to
the total number of its proton
the total number of its protons neutrons and electrons
the total number of its protons and neutrons
the total number of its electrons
the total number of its nuetrons

One statements is an example of a scientific observation. another statement is an example of a scientific explanation. identify the correct statement for each category to illustrate how scientific explanations are inferred from scientific observations.

Aboy jumps into a cold swimming pool and his body tempature goes down hus muscles ,blood vessels

Which statement best describes how the loudness of the sound affects the high-pressure region created by the sound wave? a. a louder sound has no effect on the pressure created. b. a louder sound means a high-pressure region that is higher. c. a louder sound means a high-pressure region that is not as high.