Answer:
1.86
Explanation:
Acceleration =
Force = 11N
Mass = 5.9 kg
∴ Acceleration =
= 1.86
b. light bulb
c. hair dryer
d. all of these are resistors
B. increases density
C. decreases density
D. no physical change
The total mass is unpredictable in a chemical reaction.
B.
The total mass remains the same during a chemical reaction.
C.
The total mass decreases during a chemical reaction.
D.
The total mass increases in a chemical reaction.
Answer: B. The total mass remains the same during a chemical reaction.
Explanation:I Took The Test.
Answer:
the sun is the main sourse of energy
Explanation:
it can be use to save eco system
there will be no pollution
there will be no harmful gases