Q: Q: A nerve cell that carries messages is called a? A:

OPTIONS:
- mitochondria
- stem cell
- platelet
- neuron

A: neuron

input: OPTIONS:
- 1960's
- 1890's
- 1940's
- 1930 ' s Now, answer this question: Q: Viruses were assumed to exist before they were first seen with an electron microscope in which decade? A:
A:
output: 1930 ' s

Q: What do we call a device used to store electric charge? A:

OPTIONS:
- charger
- amplifier
- battery
- capacitor

Answer: capacitor

Problem: OPTIONS:
- hydrogen
- helium
- nothing
- each other
Q: Q: Compared with the molecules of many other substances, molecules of water are strongly attracted to what? A:
Answer: each other

Problem:OPTIONS:
- gas
- lava
- oil
- water

Q: Geysers erupt because what boiling hot substance is trapped beneath their surface? A:
****
A: water

Problem:OPTIONS:
- food
- hydrocarbons
- air
- water

Q: Nearly all life processes depend on what substance, which is involved in biochemical reactions? A:
****
A:
water