When the amplitude of two waves passing into one another is greater than 1
each individual wave amplitude is it known as:

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

The process by which natural forces move weathered rock and soil brim one place to another is called

Anybody who knows ap biology, can you friend or message me