What else is produced during the replacement reaction of magnesium and hydrochloric acid? A. MgC12
B. Mg2c12
C. Mg2C1
D. MgC1

Simple machines can a. increase force only b. decrease force only c. increase or decrease force

What changes occur in the brain during the teenage years? 25 points, someone me out!a.) thinking becomes slower as the brain grows larger. b.) connections between neurons become stronger and faster. c.) unused neurons fuse together to form larger, better functioning neurons. d.) more neurons are developed.

Which of the following is not an appropriate unit for acceleration? (kg/12 mihr? m/min/sec cm/30c?