Which of the following masses has only geometric boundaries? *

North America

South America

Europe

Asia

Antarctica

Which expression can be used to find the difference of the polynomials? (10m – 6) – (7m – 4)

Someone me with my drivers ed! * i’ll mark you brainliest + 15 free points * a horizontal line of painted across a lane of traffic is called a yield line. a. black triangles b. white triangles c. green diamonds d. white diamonds

Which of these is a disadvantage of hydrogen fuel cells? a. engines that use hydrogen fuel are more efficient than gasoline-powered engines. b. the only emission produced by hydrogen fuel cells is water. c. hydrogen fuel is continually available and useful for heating. d. hydrogen fuel is often purified in a process that emits lots of greenhouse gases.