A. objects made of crystals minerals water and air
Process of elimination-
there isn’t organic matter in rocks so D is out
they are made of minerals so B is out
some types of rock (pumice) have air bubbles in them so A is more likely than C
C lol trying to get points
Answer:
They look different
Explanation: Look at them. Yes ok good
It is a good idea to create models of how populations are changing so that we are able to take a better look into what is causing it, if it is a bad or good thing that is taking place, how socioeconomic status may be playing an affect on the changes ect. It can also show if there are concerns coming on the horizon by looking at the change and poll shifts.
