Why might scientists first want to build and study a model of their proposed project?
6 answers
What does your book say?
I don't have one this year or last year that is why its hard
I'm sorry, but Jiskha cannot supply you with a book.
Why are you taking a class without a book? How do you expect to learn?
Why are you taking a class without a book? How do you expect to learn?
I am home schooled and need help with this. I got the other questions this is the only one i need. If i had a book i would use it.
I am home schooled too! What school do you attend?
Less expensive to indicate possible problems.