Ocean dumping of garbage is still a common practice in the world today. which is a disadvantage to ocean dumping?

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

List two modern organisms that have pentameral symmetry

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation