Amineral is formed with 12 parent and 2 daughter isotopes. how many of each isotope should be found in the rock after one half-life?

a.
3 parent and 11 daughter isotopes

b.
6 parent and 6 daughter isotopes

c.
8 parent and 6 daughter isotopes

d.
6 parent and 8 daughter isotopes

which of the following statements about the scientific method is true?

a.
the scientific method can only prove things correct, it cannot prove things incorrect.

b.
"it is a proven scientific fact" is an acceptable statement from a scientist.

c.
untestable hypotheses are acceptable within the scientific method.

d.
hypotheses and theories are continually tested and evaluated by experiments.

what was the cause of the creation of the earth’s moon?

a.
the moon was a large asteroid that was captured by earth’s gravity

b.
the moon separated from earth after a collision with a large asteroid about 4.5 billion years ago

c.
the moon was placed into earth’s orbit by little green space aliens

d.
the moon formed as a result of an exceedingly large volcanic eruption