Use the periodic table to help answer the following question Why does potassium (K) form a +1 cation, but calcium (Ca) forms a +2 cation ?

Lola needs to sign 6 invitations. using stopwatch that measures time to tenths of a second, it takes lola 5.3 seconds to sign her full name. going by the accuracy of the stopwatch, which is the most accurate determination for the number of minutes lola needs to sign all 96 invitations

Which of the following is likely not involved in this example of ecological succession? a) the rotting remains of plants add to the fertility of the soil. b)the soil becomes so fertile that eel grass is replaced by other plant species. c) the roots from plants stabilize the sediment, keeping it in place. d) the concentration of salt becomes so high that all plant life is destroyed.

asap plz when a charge is dropped from a felony to a misdemeanor, which type of plea bargain has happened? ? a. vertical b. horizontal c. avoidance of stigma d. reduced sentence