How are atoms held together in molecules? A. They combine to form polymers
B. They form covalent bonds
C. They break hydrogen bonds
D. they form ions

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 dense layer of connective tissue that surrounds an entire skeletal muscle is the

How many pairs of autosomes do humans have?