Which of the following is an oxide which is strongly acidic? (a) Na2O.
(b) MgO
(c) SiO2.
(d) P2O5.

answer of your question is 4th

Explanation:

P205

a. Na2O

b. MgO

c. P2O5 are the an oxide strongly acidic

8 m/s because for him to get the same amount of energy as ray is putting out, bobby, who weighs half as much as ray, needs to run twice as fast.

for step 7 table c on the lab "newtons law of action"   the average time it took the car to travel .25 meters   was 1.92 seconds.

the average time it took the car to travel 0.50 meters was 2.61 seconds

hope this : )