Question

which of the following is an example of a macroscopic observation?
the atoms in gold are close-packed within a crystal lattice structure.
a basketball is an orange sphere made from leather or rubber.
an electron is most likely to be found in an atoms electron cloud.
a nucleus is made up of positive protons and neutral electrons.

Explanation:

A macroscopic observation describes features visible to the naked eye, without needing magnification or tools to view tiny, subatomic, or microscopic structures. The other options refer to atomic, subatomic, or microscopic components that cannot be seen without specialized equipment.

Answer:

A basketball is an orange sphere made from leather or rubber.