Input: Answer this question:
Repeating experiments improves the likelihood of accurate results because the overall results are
OPTIONS:
- less likely to prove the hypothesis correct.
- more likely to prove the hypothesis correct.
- less likely to be correct due to fewer errors being made.
- more likely to be correct due to fewer errors being made.
Answer: more likely to be correct due to fewer errors being made.

*Question*: Many natural rock formations change color over time. In Utah, for example, iron oxidized and formed red, orange, and yellow rock. Which of the following is the cause of this change? OPTIONS:
- chemical weathering
- mechanical weathering
- water erosion
- wind erosion
*Answer*: chemical weathering

question:
A scientist on a field trip discovered a new organism. She examined its cells under a microscope and observed several different structures, including a nucleus, a cell wall, and some chloroplasts. This organism would correctly be classified in which of the following kingdoms?
OPTIONS:
- Animalia
- Monera
- Plantae
- Fungi

answer:
Plantae

[Q]: Which behavior can help animals establish a territory?
===
OPTIONS:
- A caribou herd migrates seasonally.
- A scent trail leads ants to a food source.
- A wolf pack howls to warn other wolves to stay away.
- A honeybee society divides the work between its members.
****
[A]: A wolf pack howls to warn other wolves to stay away.

question below:
What is the frequency of ocean waves that have a speed of 18 m/s and a wavelength of 50 m?
OPTIONS:
- 0.18 Hz
- 0.36 Hz
- 2.8 Hz
- 9.0 Hz
answer below:
0.36 Hz

Why do areas in the middle of a large continent generally have more extreme differences in temperature than areas near the coastline?
OPTIONS:
- There are generally more clouds near the oceans.
- Landlocked areas are usually at a lower altitude than coastline areas.
- Coastlines are usually surrounded by mountains that block air masses.
- Oceans change temperature slowly and regulate the temperature of nearby land.
Oceans change temperature slowly and regulate the temperature of nearby land.