If light bulbs are powered by heat, then what are light bulbs powered by? Answer choices: - heat - metal - wind - sun - energy - magnetism - gas - cold
heat

If biodiversity increases the stability and productivity of islands, then biodiversity increases the what of islands? Answer choices: - water source - stability - Plants growth - our planet - luminescence - environment - human population - allow growth
stability

Q: If lymphocytes are the key cells involved in allergy attacks, then lymphocytes are the key cells involved in what? Answer choices: - dog attacks - major threat to health - survival - Animal survival - cat petting - animal adoption - allergy attacks - critical organs
A: allergy attacks

Question: If increasing the temperature of salt water causes the water to evaporate while the salt remains, then what can be done to salt water to cause water to evaporate while salt remains? Answer choices: - freezing the salt - adding more water - DNA damage and mutations - lowering the temperature - cools it down - exposure to cold - fissures of hot, acidic water - increasing the temperature
Answer: increasing the temperature

*Question*
If ants may live in large colonies, then what may live in large colonies? Answer choices: - bats - density - Birds - snakes - ants - acids - Wasps - bees
**Answer**
ants

If soil comes from rocks, then where does soil come from? Answer choices: - fields - magma - earth - rocks - volcanoes - crust - down - water
rocks