An engineering team designs a rocket that flies faster and requires less fuel than any other model currently in production. However, the rocket is rarely
used because the type of fuel it requires is too costly. Which step of the
engineering process should have addressed this problem?

Plz asap read this sentence from paragraph 3 of the article. the boys and girls are merely asked to obtain the signatures of ten friends or relatives. how does the word "merely" affect the meaning of the sentence? a- it suggests that asking people to subscribe to the washington times is something negative. b- it implies that obtaining ten signatures is not a requirement for receiving a prize. c- it downplays the fact that to win the prize, children must ask people to subscribe to the washington times. d- it emphasizes that children receive the prize only if they obtain ten signatures.