Which combustion product is a deadly gas that you cannot see or smell?

An engineering team designs a new rocket that is faster and lighter than any other model being produced. however, the materials end up being so expensive that no company can afford to buy them. which step of the engineering process should have addressed this problem? a. know the background. b. evaluate the results. c. identify a need. d. do the work.

The reaction q+r2=r2q is found to be first order in r2 and

What must happen before a body cell can begin mitotic cell division