What is the electrical charge of an anion?
a. positive
b. negative
c. no charge
d. none of the above

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.

Match the mixture with the substance// i really need on this guys (it’s a pic btw)

How have the greenhouse gasses increased from the year 2000 to 2018