Staying warm has a positive impact on an animal 's survival, and animals who live in the forest have very soft, warm fur. Given these facts, what has a positive impact on a forest animal's survival among the following options: - fire - horses - hair - play - fur - warm - tools - rest
fur

Adoorbell converts electrical energy into sound, and speakers convert electrical energy into sound waves. Given these facts, what energy does a door doorbell need to be heard through speakers among the following options: - consumers - Solar - Motion - to move people - sensory neurons - Wind - it needs them - Electrical
Electrical

Q: Ameasuring cup is used for measuring the volume of substances, and for dry ingredients, use a graduate measuring cup set. Given these facts, what are used for measuring volume of substances among the following options: - sea squirts - heat energy - graduations - all liquids - arteries - microscope - rainfall - streams.
A: graduations

Question: Amutation in the sex cells of a parent can cause a new trait to appear in the parent 's offspring, and mutations are accidental alterations of the genetic code in a cell. Given these facts, what can appear due to accidental alterations of the genetic code in a cell among the following options: - symptoms - hyperthyroidism - Plastic cell membranes - Metallic DNA - Groupings of nano-cells - New traits - disease - viruses
Answer: New traits

*Question*
An egg requires warmth to survive, and eggs depend upon body warmth to incubate. Given these facts, eggs need to incubate to what among the following options: - complete - mitosis - be fertilized - produce nutrients - be eaten - Winter - survive - sunlight
**Answer**
survive

*Question*
Gases from burning coal and oil dissolving in water in the atmosphere causes acid rain, and acid rain is precipitation which pH is 5.7 or lower. Given these facts, gases from what causes precipitation where the pH is 5.7 or lower among the following options: - Condensation - aqueous solution - streams - Pollution - evaporation - Organic compounds - vaporization - burning coal
**Answer**
burning coal