According to the Old Testament, who was the progenitor of the Hebrews and the founder of Judaism?

a) Aaron
b) Abel
c) Abraham
d) Absalom

b) Dragonfly

The insectivore, which is harmless to humans, flies about twenty miles per hour, fifty percent speedier than the hornet.

What is the fastest flying insect?

a) Bee
b) Dragonfly
c) Hornet
d) Horsefly

c) Nickel

Silicon is the only other element present in significant quantities.

What is the main chemical element in the Earth's core besides iron?

a) Chromium
b) Copper
c) Nickel
d) Strontium