(Q).
Q: When matter changes into an entirely different substance with different chemical properties, what has occurred? Choices: - mechanical change - gaseous change - physical change - chemical change A:
(A).
chemical change

(Q).
Q: The three long muscles on the back of the knee are part of which group? Choices: - synovial joint - patella - adductors - hamstring group A:
(A).
hamstring group

(Q).
Q: The normal respiratory rate per minute in adult humans is? Choices: - 6-12 breaths - 0-6 breaths - 18-24 breaths - 12-18 breaths A:
(A).
12-18 breaths