Which of the Microscopes use a vacuum tube to allow the
movement of certain particles without any
disturbance?
Dissecting microscope
Light compound microscope
Scanning Electron microscope
Transmitting Electron microscope

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

An area has a few days of low humidity, warm air temperature, and high air pressure. what kind of weather is this area experiencing? o fog o snow storms o sun

Where does oogenesis take place ? seminiferous tubules fallopian tubes ovaries uterus