If immunodeficiency occurs when the immune system is broken down, then immunodeficiency occurs when the immune system is what? Answer choices: - dangerous - homogenous - healthy - broken down - reduce - perfect - It decreases - functioning
broken down

If aconnection is between the eye and tube feet in echinoderms, then aconnection is between the eye and what type of feet in echinoderms? Answer choices: - tube - Seesaw - vision - made - voles - a path - bones - muscle
tube

Q: If copper can be magnetized, then what is used with copper to produce current? Answer choices: - a prism - energy - tube - two - chemicals - magnet - squeeze - coiled
A: magnet

Question: If heat can change a substance to a liquid, then what can change a substance to a liquid? Answer choices: - Heat - NaCl - mixing - filling container - storms - energy - vapors - spraying
Answer: Heat

*Question*
If echolocation is used by bats to find the location of an object, then what uses echolocation to find the location of an object? Answer choices: - birds - squids - cats - submarines - hawks - animal - bats - humans
**Answer**
bats

(Question)
If toxic materials that splash on a human can cause harm, then what can cause harm when splashed on humans? Answer choices: - Pesticides - fossil fuels - medicine - chlorofluorocarbons - water - Greenhouse gasses - soda - toxic material
(Answer)
toxic material