I cant help u sorry .......
Question 17:
False; cutting hair would change what it looks like but, braiding it keeps it the same substance it is.
Question 18 :
My best guess would either be A or D. I would lean more towards D because if there are different mixtures then it depends on what you are mixing.
Hope it helps in some way. <3
Answer:
boyles law
Explanation:
volume is inversely proportional to pressure
Answer:
by wearing of rocks
Explanation:
earths gravity your welcome