Acorns were a primary food resource or staple for the Kumeyaay and other native Californians. ... They knew special ways to store and prepare the acorns for food. Oak Communities and the Food Chain. One way that plants and animals are connected is through energy.
B. water displacement is used "graduated cylinder is filled with water (100 mL) and the object is then put inside. ... If the new water level is (120 mL) we now know that the object has a volume of 20 mL."
