Q: The length of a year is equivalent to the time it takes for one OPTIONS:
- rotation of Earth
- rotation of the Sun
- revolution of Earth around the Sun
- revolution of the Sun around Earth
A: revolution of Earth around the Sun

Most of Earth's major earthquakes are caused by
OPTIONS:
- seasonal heating and cooling of Earth's surface
- weathering of rock at Earth's surface
- Earth's gravitational attraction to the Moon
- faulting of rock in Earth's crust

faulting of rock in Earth's crust

Q: Which sequence lists the levels of organization in the human body from simplest to most complex? ---- OPTIONS:
- organ system -> tissue -> cell -> organ
- tissue -> cell -> organ -> organ system
- organ -> organ system -> tissue -> cell
- cell -> tissue -> organ -> organ system

A: cell -> tissue -> organ -> organ system

In humans, the amount of sugar in blood is controlled by the release of a hormone called insulin. This process is an example of
===
OPTIONS:
- depletion
- digestion
- regulation
- excretion

regulation

Question:
Which model is used by scientists to determine the properties of elements?
OPTIONS:
- a Punnett square
- the Periodic Table
- a pedigree chart
- the rock cycle
Answer:
the Periodic Table

*Question*: Within a substance, atoms that collide frequently and move independently of one another are most likely in a OPTIONS:
- liquid.
- solid.
- gas.
- crystal.
*Answer*:
gas.