Gold's atomic number is
79.
What does that tell you?
A. Gold has 79 ions.
B. Gold has 79 neutrons.
C. Gold has 79 protons.

Which statement best describes a keystone species? o a. it has littlelmenetic variation. it has an extremely high population. 0 b. 0 c. it remains unaffected by all environmental changes. od. it has a strong influence on the ecosystem. 0 e. it's the first species to populate a new ecosystem.

There are fewer than 100 naturally occurring elements in the universe, but there are millions of different unified substances. explain how this can be true.

How are fossils most commonly formed