Please answer this for me

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

As the human population grows, what happens to our natural-resource requirements? o they increase o they decrease o they do not change. they go in cycles

1. describe the structure and function of the specialized cells you observed in the video. 2. research the types of cells present in the kidney.