Should other states wait and see if high speed rail system work well before starting their own plane for similar systems ?

If a set of instructions that determines all of the charactersitics of an organism is comparedto a book, and a chromosme is compared to chaper in the book, then what might be compared to a paragraph in the book?

Which tool could you see a plant cell? a. a filter b. a microscope c. a microwave d. an electromagnet

If 360 joules of work are needed to move and create a distance of 4 m what is the weight of the crate