Questions:

An atom that loses or gains electrons is called?
a.isotope b. proton c. neutrino d. neutron e. ion

True False:
All atoms with the same number of prtons are given the same name.

The Earth’s outer core is solid, and the inner core bahaves as a liquid.

Most of our knowledge about the Earth’s interior comes from deep-sea drilling.

Measurements indicate that the west coast of Africa and the east coast of South America are getting closer together.

The geologic time scale was originally constructed by scientis without the aid of numerical dates.

Seismographs can only detect earthquakes within 500 miles of the instrument.

Most major earthquakes are followed by smaller tremors, some of which can be destructive to already weakened structures.

There are several reliable methods of short-range earthquake predictions.

Volcanic islands found in the deep ocean basin are generally composed of basaltic rocks.