In the open ocean, are the main producers. a. zooplankton
b. phytoplankton c. ocean plants d. symbiotic algae

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 do scientists need to look at before developing an argument

What came first egg or chicken? and is tomato a vegetable or a fruit?