If bacteria can cause bodily tissues to swell, then what can cause bodily tissues to swell? Answer choices: - gravity - chickenpox - bacteria - influenza - smallpox - viruses - skin tissue - weathering
bacteria

If plant reproduction often requires bees, then what does plant reproduction often require? Answer choices: - viruses - bacteria - fire - DNA - bees - seeds - energy - food
bees

Q: If liquid precipitation causes erosion, then what causes erosion? Answer choices: - standing water - coastlines - mouth of rivers - ice wedging - liquid precipitation - Physical weathering - trees - gravity
A: liquid precipitation

Question: If human ears can hear a radio, then what can human ears hear? Answer choices: - radio - time - waves - Frogs - Frogs. - light - xrays - sound
Answer: radio

*Question*
If athreatening behavior by a fisher can make a porcupine extend its quills, then what might a porcupine do if threatened by a fisher? Answer choices: - dig in the dirt - Decrease bodily water - killing insects - lower its quills - kill them - humans disturb it - show its teeth - show its quills
**Answer**
show its quills

(Question)
If radiators are used to heat buildings, then what are radiators used for? Answer choices: - Water - warmth - homes - energy - Lift - Cooking - Air conditioning - Heat
(Answer)
Heat