If animals need food to keep warm, then what do animals need to keep warm? Answer choices: - a blanket - lipids - grass - fur - wings - food - a space heater - Energy
food

If slowing the growth of bacteria keeps food fresh, then what does slowing the growth of bacteria do for a food? Answer choices: - It remains dormant - survive - It decreases - Keeps it warm - Makes it taste worse - Makes it go bad quicker - Keeps it fresh - Cooking
Keeps it fresh

Q: If gravity causes rocks to be pulled down on a planet, then what does gravity cause to be pulled down on a planet? Answer choices: - matter - heat - earth - solutes - oceans - Rocks - people - Lift
A: Rocks

Question: If operating a car usually requires fossil fuels, then what requires fossil fuels for operation? Answer choices: - motors - bicycles - paddle boats - humans - cars - trains - goats - skateboards
Answer: cars

*Question*
If fuel cells can power computers, then what can power computers? Answer choices: - cities - Fuel cells - energy - kinetic energy - industry - heating liquids - information - Solar energy
**Answer**
Fuel cells

(Q).
If jellyfish lack a backbone, then what lacks a backbone? Answer choices: - fossil fuels - Chlorophyll - humans - Leptospirosis - fungi - spine - jellyfish - animals
(A).
jellyfish