If male dogs use chemicals to mark their territory, then what do dogs use to mark their territory? Answer choices: - water - Chemicals - layers of fat - food - Animal fur - heat energy - Scratches - heat produced
Chemicals

If chemical weathering gives a rusty red color to sedimentary rocks, then what gives a rusty red color to sedimentary rocks? Answer choices: - food coloring - The area was once underwater - chemical weathering - remains of prehistoric life - deoxyribonucleic acid - sea urchins - dirt - earthquakes
chemical weathering

Q: If camels survive in a dry environment, then what survives in a dry environment? Answer choices: - bamboo - organisms - animals - camels - whales - dolphins - grass - fish
A: camels

Question: If adult sponges are immobile, then what are immobile? Answer choices: - adult sponges - gastropod shells - clouds - h2o - critical organs - all matter - an organism's body - humans
Answer: adult sponges

*Question*
If cars hurt the environment, then what hurts the environment? Answer choices: - Solar flare - wind - cars - storms - carbon - time - oil - trees
**Answer**
cars

(Question)
If flowers require dispersal for reproduction, then what do flowers require for reproduction? Answer choices: - nutrients - Energy. - energy - warmth - sugar - dispersal - sunlight - hormones
(Answer)
dispersal