Plucking a string can cause that string to vibrate, and all guitars produce sound through the mechanical vibration of strings. Given these facts, how does a guitar create sound among the following options: - electrically - mechanical - Amplifying it with electricity - The musician being trained - Tuning it properly - Plucking a string - Through play - lowered energy cost
Plucking a string

When an electrical circuit is working properly , electrical current runs through that circuit, and electric shock is passage of electric current through the body. Given these facts, what can an electric circuit do if it is working properly among the following options: - behave - squeeze - Fail to produce energy - shock - kill - cry - Register zero amps - heat
shock

Q: Earth 's tilt on its rotating axis causes seasons to change, and seasons are divided into fall, winter and spring. Given these facts, what does earth's tilt rotating on its axis cause to change among the following options: - organisms and their habitat - fall, winter, and spring - distance to the moon - the environment - distance to the sun - a tree falling - degrees celcius - composition of h2o
A: fall, winter, and spring

Question: An animal requires air for survival, and oxygen Oxygen is in the air we breathe. Given these facts, oxygen for survival is necessary for what among the following options: - health - humans - cancer - corpses - cells - pebbles - animals - erosion
Answer: animals

*Question*
Arteries generally carry oxygen-rich blood, and blood is a liquid organ. Given these facts, what do arteries carry in the body among the following options: - solids - antimatter - glucose - gases - Air - expelled - liquid - oxygen
**Answer**
liquid

(Q).
Abalance is used for measuring mass of an object, and masses are measured by difference on a balance. Given these facts, how is mass indicated among the following options: - movement - motion - layers of fat - forces - set number - energy - a balance - similar
(A).
a balance