Q: How do all musical instruments create sound? Choices: - condensation - stimulation - conduction - vibration A:
vibration

(Question)
Q: What is the measure of the change in velocity of a moving object called? Choices: - inclination - force - stimulation - acceleration A:
(Answer)
acceleration

Ques: Q: How many pairs of chromosomes are found in human cells? Choices: - 25 - 24 - 13 - 23 A:
Ans: 23

(Q).
Q: Organisms incapable of photosynthesis that must therefore obtain energy and carbon from food by consuming other organisms are called what? Choices: - photoautotrophs - autotrophs - chemoautotrophs - heterotrophs A:
(A).
heterotrophs

Ques:Q: Where in relation to the home, are levels of vocs found to be higher? Choices: - On slopes - in Fields - outdoors - indoors A:

Ans:indoors

Ques: Q: What scientific word, which gives its name to a type of rock, means "to change form"? Choices: - evaporation - evolution - igneous - metamorphism A:
Ans:
metamorphism