What characteristics are shared by all alkali metals and alkaline earth metals? 1.They conduct electricity very well.
2.They form alkaline solutions when mixed with water.
3.They do not react with water at all.
4.They are strong and shiny.

Rank the torques on the five doors shown in the figure above from least to greatest. note that the magnitude of all the forces is the same

Determine the maximum r-value of the polar equation r =3+3 cos 0

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.