Allan is trying to significantly reduce his risk of another heart attack. which risk factors for heart disease are non-modifiable?

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

Explain how the political influence of african americans leaders became weaker.

Most animal cell membranes have proteins that pump. ions out of the cell and potassium ions into this