Problem: OPTIONS:
- a signal
- a valve
- a mirror
- a switch
Q: Q: What device is used to stop a current in a circuit? A:
Answer: a switch

Problem:OPTIONS:
- Hydrogen bond
- Ionic bond
- Polar bond
- covalent

Q: What bonds form because they give atoms a more stable arrangement of electrons? A:
****
A: covalent

Q: Any sample of matter that has the same physical and chemical properties throughout the sample is called what? A:
OPTIONS:
- element
- molecule
- type
- substance
substance

Q: What process converts the sun's hydrogen nuclei into helium? A:
OPTIONS:
- solar fission
- nuclear fission
- combustion
- nuclear fusion

Answer: nuclear fusion

Question: Q: Where does chemical digestion mainly occur? A:
OPTIONS:
- apendix
- pancreas
- liver
- small intestine
Answer: small intestine

input: OPTIONS:
- plants
- farmers
- eggs
- animals Now, answer this question: Q: Fungi may form mutualistic relationships with plants, algae, cyanobacteria, and what? A:
A:
output:
animals