If thirst helps animals to survive, then what helps animals to survive? Answer choices: - trees - food - warmth - fur - steam - thirst - friendship - dreams
thirst

If the sex cells of a parent can cause new alleles to appear, then what can cause new alleles to appear? Answer choices: - skin cells - coded genes - sperm and egg fuse - hair cells - the parent's sex cells - lung cells - male gametes - reproduction
the parent's sex cells

Q: If when enough heat energy is added to water, it becomes steam, then what causes water to become steam? Answer choices: - Condensation - movement of tectonic plates - Increasing pressure - an engine - evaporation - heating liquids - Reducing temperature - Adding heat energy
A: Adding heat energy

Question: If animals use ears to hear, then what uses ears to hear? Answer choices: - Stereos - humans - TVs - Animals - Mammal - organisms - pigeons - Plants
Answer: Animals

*Question*
If the resources that plastic bags come from are nonrenewable, then what comes from non-renewable resources? Answer choices: - plastic bags - renewable goods - burning coal - emissions - carbon dioxide - organic plants - paper - Sulfur dioxide
**Answer**
plastic bags

If cells have multiple repair mechanisms to fix damage in DNA, then cells have multiple repair mechanisms to fix what? Answer choices: - scarce resources - harmful substances - damage in DNA - critical organs - the skin - Veins and arteries. - layers of fat - heat or cold
damage in DNA