Fact 1: Cells vary in size as well as shape, but all cells are very small. Fact 2: Most cells are too small to be seen without a microscope. Given the two facts above, cells vary in size as well as shape and are seen with what?

OPTIONS:
- Electrical energy
- by indirect light
- camera lenses
- a microscope
- a telescope
- colors
- bright lights
- rays or beams

Answer: a microscope

Problem: OPTIONS:
- Organic compounds
- ice
- oxygen and heat
- vital organs
- heat energy
- Veins and arteries.
- electromagnetic energy
- cat hair
Q: Fact 1: Oxygen is just one substance transported by the blood. Fact 2: Contraction of a muscle produces heat which is transported to other parts of the body by the blood. Given the two facts above, what is transported to other parts of the body?
Answer: oxygen and heat

Problem:OPTIONS:
- scarce resources
- storing water
- wasted water
- body water
- Bodily water
- erosion
- flooding
- reduced heat

Fact 1: Lakes are formed by precipitation and runoff. Fact 2: Runoff water is wasted water. Given the two facts above, lakes are formed by precipitation and what?
****
A: wasted water

Fact 1: Powering an electrical device with a battery requires a path for electricity to flow through a closed circuit. Fact 2: An electric circuit is a closed path for electron flow. Given the two facts above, electron flow allows a battery to do what?
OPTIONS:
- power an electrical device
- disconnect
- move to different locations
- heat is produced
- matter vibrating
- photosynthesis
- fuel cell
- preventing heat transfer
power an electrical device

Fact 1: An animal usually requires a warm body temperature for survival. Fact 2: Temperature Temperature is an measurement of the amount of heat. Given the two facts above, what do most animals need to be sure they survive on the Earth?
OPTIONS:
- smell and taste
- biodiversity
- a building to live in
- regulated body heat
- a mate
- sense organs
- food and shelter
- a car

Answer: regulated body heat

input with options: Fact 1: If a neutral atom loses an electron then an atom with a negative charge will be formed. Fact 2: An anion is a negatively charged atom. Given the two facts above, what will be formed if a neutral atom loses an electron?
OPTIONS:
- nucleus
- an object
- calcite
- electrically
- leukemia
- an anion
- iron
- coal
output:
an anion