Which of these is an acceptable approach to major forestry issues?
A) clear-cutting to provide for industry and spur new growth
B) logging near rivers for transport but having stream protection zones
C) certification of a forest as well-managed versus sustainable
D) allowing no recreational use in a national forest

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

Why is excretion necessary to maintain homeostasis?

The diagram shows the layers of earth. convection currents in which region influence the movement of tectonic plates