The divisions of time in the Geologic Time Scale represent:

a) the Law of Superposition

b) the results of radiometric dating

c) major changes in biodiversity

d) multiples of 35 million years

e) all of the above

What happens when the voltage increases and the resistance stays the same in a electrical circuit?

what is similar about elements in the same group on the periodic table? A) atomic masses B) atomic numbers C) chemical properties D) number of electrons

What was the original mission of the voyager space probes? A. to land on venus. B. to study comets and asteroids. C. to explore Jupiter and Saturn

Why do some scientists not use controlled experiments?

A paper clip will be suspended from a string inside a Styrofoam cup surrounded by aluminum foil. Predict what will happen to the paperclip when a charged rod is brought near the cup.

What would happen if an electron was added to an atom

Is a stick living, non living or Dead?

A ball player catches a ball 3.24 s after throwing it vertically upward. With what speed did he throw it?

Most metallic ores are produced by which two of processes? a) Metamorphic and Sedimentary b) Igneous and Metamorphic c) Igneous and Sedimentary d) Cementation and Compaction

Two persons are applying forces on two opposite sides of a moving cart. The cart still moves with the same speed in the same direction. What do you infer about the magnitudes and direction of the forces applied?