Fact 1: Echinoderms lack a centralized nervous system. Fact 2: Echinoderms are represented by the starfish. Given the two facts above, answer the question "What kind of animal doesn't have a centralized nervous system?" with the following options: - dog - mammals - cows - bird - human - elephants - starfish - a fish
starfish

Fact 1: Most protists have motility. Fact 2: Protists are one celled organisms. Given the two facts above, answer the question "What can have motility?" with the following options: - Small things with a microscope - gastropod shells - members of their own species - one celled organisms - Something to move - mitochondria - rocks - intestines
one celled organisms

Q: Fact 1: Water causes refraction of light. Fact 2: Halos are produced by the refraction of light. Given the two facts above, answer the question "What causes halos?" with the following options: - germs - Pacific - solutes - water - storms - glass - algae - the sun
A: water

Question: Fact 1: Insulin helps cells take up glucose from the blood. Fact 2: Insulin made by a person's own pancreas is endogenous insulin. Given the two facts above, answer the question "what type of compounds produced by a person's pancreas help cells take up compounds" with the following options: - Energy - natural - mineral - endogenous - Break down food - it needs them - sweat glands - Energy.
Answer: endogenous

*Question*
Fact 1: Fog is formed by water vapor condensing in the air. Fact 2: Water vapor rises into the atmosphere. Given the two facts above, answer the question "what does the atmosphere do before turning into fog" with the following options: - adapt - rest - Rise - fall - cooled - snow - swirl - Lift
**Answer**
Rise

*Question*
Fact 1: Phase changes do not change mass. Fact 2: Melting is a phase change. Given the two facts above, answer the question "What is not changed by melting?" with the following options: - Shape - Mass - hair - fats - O3 - Density - Volume - matter
**Answer**
Mass