Input: Answer this question:
Sugar is composed of carbon, hydrogen, and oxygen. Sugar is an example of which of the following?
OPTIONS:
- an atom
- a compound
- an electron
- a mixture
Answer: a compound

*Question*: All living organisms are dependent on plants because plants OPTIONS:
- produce carbon dioxide
- remove oxygen from the air
- are producers
- are consumers
*Answer*: are producers

question:
Wolves kill many elk every year and often attack old, sick, and injured members of a herd. Which of the following best describes the role of the wolves in the wolf-elk relationship?
OPTIONS:
- competitor
- host
- parasite
- predator

answer:
predator

[Q]: Which is the thickest layer of Earth?
===
OPTIONS:
- crust
- inner core
- mantle
- outer core
****
[A]: mantle

question below:
A company is designing a new laptop computer. The computer must not exceed a certain weight. Which of the following is the most likely reason to have a weight restriction for the computer?
OPTIONS:
- to make it easier to test the prototype
- to reduce the cost of making the computer
- to make it easier to transport the computer
- to reduce the cost of building the prototype
answer below:
to make it easier to transport the computer

Typically, sedimentary rocks are formed
OPTIONS:
- only in erupting volcanoes.
- only under great pressure and high temperatures.
- below Earth's surface as magma cools and crystallizes.
- from materials that settle.
from materials that settle.