Physics MSc

Q: As the human gets old, his blood pressure numbers tend to _______ due to _____ in flexibility of vessel walls.

(a) :  Increase, decrease
(b) :  Decrease, increase
(c) :  Increase, increase
(d) :  Decrease, decrease
(e) :  None of the Above
Answer:  Increase, decrease
Explanation:  

Q: Which are not the elementary particles?

(a) :  Photons
(b) :  Leptons
(c) :  Hardons
(d) :  Quarks
(e) :  None of these
Answer:  Hardons
Explanation:  

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