ANSWER: C. Simple machine
The low vapor pressure of water preventing bodies of water from dying out.
is 7 cus the valance electron for sodium is Ne 3s1 and for chlorine is Ne 3s13p5
Answer:
The correct answer is - 800.
Explanation:
Given:
Total amount = ? or assume x
spend in buying birthday item = 3/4 of x
given to sister = 1/5 of x
remaining to mother = 40
solution:
the remaning amount = x- (3x/4+x/5) = 4=
=> x- 19x/20 = 40
=> x = 20*40
=> x = 800
thus, the correct answer is = 800
doesnt salt desolve ice? so wouldn't the salt dissolve in the ice water?
