Answer:
The answer should be D
Explanation:
because poroslty of a rock is a measure of its ability to hold a fluid. mathematically, it is the open space in rock divided by the total rock volume.
Water is the compound. Iodine and calcium are elements, and air is a mixture
During the 1980s, iran and iraq battled in a war from september , 1980 - august 1988.
The correct option is C.
Science is a dynamic subject and it changes all the time. In the science field, research is always on going and when new evidence are discovered about a particular topic, the new evidence are usually used to update the scientific information that is already on ground. All the areas of science listed about have enjoyed scientific updates in the recent past.
