The period in the family life cycle that occurs after the last child has left home is called:

The phlogiston theory in the 17th century attempted to explain burning. the theory stated that combustable objects contained a material called phlogiston, a substance without mass, color, odor, etc. after objects burned, the objects were dephlogistonated and were then in their true form. the phlogiston theory was accepted until the 18th century, when lavoisier proved that combustion requires a gas that has mass. phlogiston is considered a) to be scientific knowledge b) not to be scientific knowledge c) to be proven by scientific method d) to be accepted in the modern scientific community

Greenthe fossil record is the history of life recorded byhuman observationgod.climatologists.remains of the past.

Which label identifies the part of the atp molecule that changes when energy is released in the cells of all living things