Depending on the environment the plant is in more or less gas may be produced. suggest a method for measuring the rate of gas production from the aquatic plant in model 1.

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

What is the difference between an igneous, sedimentary and metamorphic rock

Construct at least two possible hypotheses for the student’s experiment.