Choose three major inventions that have led to successful products.  who were the inventors? how did they invent the technology?   why were these the first to invent this technology?

Which of the following statements most accurately describes the requirement for the documentation of minors’ assent to participate in research? parents must approve written documentation.documentation is required unless waived by an irb.to protect minors documentation is always required.federal regulations do not require the documentation of minors’ assent.

The biggest component / ingredient of summer time smog is

What are the most populous and least populous areas of russia? and why are some areas more heavily populated than others?