If most canyons are formed by flooding over long periods of time, then what are most canyons formed by over long periods of time? Answer choices: - hurricanes - wind tunnels - dangerous - forces - kalenchoes - flooding - high populations - Sediment
flooding

If storing food at room temperature can cause food poisoning, then what can cause food poisoning? Answer choices: - a pathogens - Room temperature food - Dehydrated food - Refrigerated food - single-celled organisms - harmful substances - Canned food - Roundworms.
Room temperature food

Q: If if a neutral atom loses an electron then it will attract positive charges, then what will a neutral atom that loses an electron attract? Answer choices: - an object - Electrical energy - Criminal charges - Positive charges - Needful charges - objects that have mass - electrically - chargers
A: Positive charges

Question: If cells have multiple repair mechanisms to fix the effects of cancers, then cells have multiple repair mechanisms to fix the effects of what? Answer choices: - A drug. - acid rain - death - herbicide - radiation - cancer - chemicals - disease
Answer: cancer

*Question*
If ferns have both asexual and sexual reproduction, then what have both asexual and sexual reproduction? Answer choices: - h2o - orchids - humans - insects - fungi - toads - ferns - amoeba
**Answer**
ferns

If dropping an object into liquid causes vibrations in the liquid, then what does dropping an object into liquid cause? Answer choices: - Heat energy - Energy. - vibrations - energy - no effect - atoms do not move - nothing - evaporation
vibrations