Which statement best describes saturation?
a. saturation refers to the total rainfall for a year.
b. saturation refers to the lack of rainfall on a given day.
c. saturation occurs only in hot, dry climates.
d. saturation is reached when the amount of water vapor in the air has reached the maximum amount.

Describe the interaction that occurs between two objects with the same electrical charge.

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.

Which statement best summarizes the importance of ernest rutherford’s gold foil experiment? it proved that all of john dalton’s postulates were true. it verified j. j. thomson’s work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.