Answer:
Nearly all
Explanation:
We need the for helping with mechanical digestion and keep our mouth moist.
An example of force that acts at distance is gravity and an example of contact force is pushing a chair across the room
Answer:
b. Living things
Explanation:
Every living thing contains organic compounds.
Answer:
An arctic fox changes its fur color to blend in with its surroundings
Explanation:
This is a defense mechanism because when it blends into its surroundings it can hide from its predators and help defend itself