Answer:
This is hard, but here we go:
Explanation:
The English homework was incredibly difficult to complete last night, and it took countless hours of my time to get everything just right and to fully comprehend the questions.
So what I did was add many phrases to it, and also added more challenging words, like "comprehend" and "incredibly difficult"
I would go with B but wait for some one else to answer just in case
The answer is false. I hope i helped
Answer:
B.
Explanation:
Because he wants to help his mother but is unable to
Answer:
Explanation:
A catalyst is a substance that increases the rate of a chemical reaction without itself getting consumed in the reaction as it helps in decreasing the activation energy. Thus, rate of reaction also increases.
A positive catalyst helps in increasing the rate of a chemical reaction whereas a negative catalyst decreases the rate of a chemical reaction.
Whereas when we increase the temperature then collisions between the particles increases due to increase in kinetic energy. Hence, rate of reaction increases with increase in temperature.
Thus, we can conclude that out of the given options adding a positive catalyst will increase the rate of a chemical reaction.
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