Which ion would have the following configuration? Zr2+
Br -
Se2+
Kr

Organisms are more likely to be more preserved in mud than sand because mud is moist and wet, while sand is very dry.

The independent variable is the type of music.the dependent variable is the pulse rate.the intervening variable is the age of the subject.if the mother does not like rock, her pulse is likely to not increase.the same might be true for the sister.the friend may like rap and gets excited.to establish cause/effect relationship, all of the subjects must be consistent.hope i .