Answer:
Scientists use models to reproduce conditions or theories in a practical and inexpensive way. These models help scientists carry out research, amass data to predict future outcomes. models are visual aids that help scientists convey complicated material.
Explanation:
Clothing, leather goods, and cologne are some of the staple gifts for men, but honestly, they are easy options, and it's what men have come to expect from people who haven't given gift-giving much thought. Most men don't give very much thought to buy clothes, or things that don't have a clear purpose.
Answer:
Meg is the protagonist and the story and went through many changes.
Explanation: In the beginning of the story she is very timid, shy, insecure, and awkward. She has many issues when it comes to self-worth because she get's bad grades in school, she's constantly compared to her parents, and she tends to be quite immature. In chapter 1 on page 3 one of the girls tells her "After all, Meg, we aren't grammar-school kids any more. Why do you always act like such a baby?" because Meg decides to go a little crazy during lunch. But, at some point she decides to step up and try to find her father but is taking care of her little brother at the same time. She opens up and is willing to try new things and trust and love people as well as overcomes he fears.
She secretly warns people of possible evil is by Sending mail
Maybe google this one? You would probably get better answers
