Answer:
To measure motion, you must be able to compare it to a reference point, or a non moving point.
Severe low back pain and bruising along his flank
Answer:
Calcium is a chemical element with the symbol Ca and atomic number 20.
Explanation:
In some cases it would be called a schools,communities and or flocks.hope this helps please give a 5 star and brainlest answer.
There are many answer you have to be specific
