[fill in the blank] is a process that could be used to separate dissolved particles from the liquid in a solution. occured when a metal changed color because it reacted with another substance. a material with a shape that remains unchanged when it is moved from one container to another is a(

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.

Non renewable resources like petroleum eventually

Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.