If asolid geometric shape is used for refracting light, then what is used for refracting light? Answer choices: - barrel-shaped - fissures of hot, acidic water - an electron lens - focusing a lens - degrees Celsius - Electrical energy - A solid geometric shape - A Greek letter
A solid geometric shape

If all chemical reactions require the initial input of energy to get the reaction started, then all chemical reactions require the initial input of energy to get the reaction what? Answer choices: - made - state - started - Decibels - over - heat - finished - removed
started

Q: If force can cause objects to repel each other, then what can be pushed or pulled due to force? Answer choices: - ideas - rivers - sound - vehicles - arteries - animals - space - objects
A: objects

Question: If telephones are used for communication by two people by transmitting mechanical waves, then telephones are used for communication by two people by transmitting what? Answer choices: - Transmitting illness. - chemical messengers - encoded information - electromagnetic energy - Television. - Communication degree. - Mechanical waves. - Electrical energy
Answer: Mechanical waves.

*Question*
If mold spores can have negative impact on the sinuses in a body, then what can have a negative impact on the sinuses in a body? Answer choices: - mold spores - A virus - humid air - warm water - warm air - Pesticides - viruses - disease
**Answer**
mold spores

Q: If friction causes a car to lose energy, then friction causes a car to what? Answer choices: - renew energy - to move people - increase velocity - imbalanced - squeeze - lose energy - speed up - contracting
A: lose energy