It might be c I'm not sure either. Hope I helped
Answer:
Normative
Explanation:
It is normal occurance but not unnatural
Answer: 9300 kcal
Explanation: Given: Latent heat of fusion of aluminum is 93 kcal/kg.
That is for melting 1 kg of aluminium at 660
amount of heat required is = 93kcal
Thus for 100 kg of aluminium at 660
amount of heat required is= 
Thus the amount of energy needed to melt 100 kg of aluminum at the melting point is 9300 kcal.
Answer:
Acceleration is the rate of change of velocity with time.Acceleration occurs anytime an object's speed increases or decreases, or it changes direction. Much like velocity, there are two kinds of acceleration: average and instantaneous. Average acceleration is determined over a "long" time interval.
Explanation:
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