If animals exchange information with sounds, chemicals or visual cues, then animals do what with sounds, chemicals or visual cues? Answer choices: - open the floor - to move people - share brains - trade ideals - Release energy - exchange information - reusing things - mate with females
exchange information

If hormones affect cell aging, then what affects cell aging? Answer choices: - hormones - radiation - Smoking - fat - acid - temperature - cigarettes - weather
hormones

Q: If distilling water removes harmful substances before drinking, then distilling water removes what before people drink it? Answer choices: - one celled organisms - single-celled organisms - layers of fat - Chemical energy - harmful substances - hydrogen - water - oxygen
A: harmful substances

Question: If the ground shaking is very deadly, then what is very deadly? Answer choices: - respiration - drinking h2o - smoking tobacco - smoking cigarettes - cigarettes - digestion - the ground shaking - influenza
Answer: the ground shaking

*Question*
If some deuterostomes lack a centralized nervous system, then some deuterostomes lack a centralized what? Answer choices: - DNA - eardrum - critical organs - permineralization - A ruler - nervous system - communication center - respiratory system
**Answer**
nervous system

*Question*
If zinc has a positive impact on animals, then what does zinc have a positive impact on? Answer choices: - humans - gravity - the skin - density - cells - plants - clouds - animals
**Answer**
animals