Input: Answer this question:
Whenever scientists carefully measure any quantity many times, they expect that
OPTIONS:
- all of the measurements will be exactly the same
- only two of the measurements will be exactly the same
- all but one of the measurements will be exactly the same
- most of the measurements will be close but not exactly the same
Answer: most of the measurements will be close but not exactly the same

*Question*: Which of the following causes a ship's iron anchor to sink to the ocean floor when it is released overboard? OPTIONS:
- chemical forces
- gravity
- magnetism
- nuclear forces
*Answer*: gravity

question:
The crust, the mantle, and the core are structures of Earth. Which description is a feature of Earth's mantle?
OPTIONS:
- contains fossil remains
- consists of tectonic plates
- is located at the center of Earth
- has properties of both liquids and solids

answer:
has properties of both liquids and solids

[Q]: Which is the best example of a pure substance?
===
OPTIONS:
- peanuts
- milk
- gold
- air
****
[A]: gold

question below:
From smallest to largest, the levels of organization in living things are
OPTIONS:
- tissues, cells, organs, organ systems.
- tissues, cells, organ systems, organs.
- cells, tissues, organs, organ systems.
- cells, tissues, organ systems, organs.
answer below:
cells, tissues, organs, organ systems.

question:
Genetically modified plants with new characteristics have been produced through genetic engineering methods. What impacts have resulted from the use of genetically modified plants?
OPTIONS:
- decreases in farm production
- decreases in corn, soybean, cottonseed, and canola oils
- increases in time required to plant, grow, and harvest crops
- increases in resistance to herbicides, insects, and viral diseases

answer:
increases in resistance to herbicides, insects, and viral diseases