Which describes why radioisotopes can be used as tracers in studying the biological and chemical processes of plants?

A pair of scissors is a first class lever. The fulcrum is between the handle and the blades. The blades contain two simple machines back to back: they are A) gears. B) levers. C) inclined planes. D) wheel and axles.

at 1 p. m. a car traveling at a constant velocity of 78 km per hour towards the West it's 34 km to the west of our school how far from the school will it be at 3:30 p. m.

A boxed 14.0 kg computer monitor is dragged by friction 5.50 m up along the moving surface of a conveyor belt inclined at an angle of 36.9 ∘ above the horizontal. The monitor's speed is a constant 2.30 cm/s.

Recessive Disorder or Disease - How would a child get it?

When a current flows through a metal wire, the moving charges are When a current flows through a metal wire, the moving charges are 1. only electrons. 2. both protons and electrons. 3. positive metal ions. 4. only protons. 5. negative metal ions. 6.

A climber pulls herself 8 meters upwards with a force of 150 Newtons. If it takes her 16 seconds to cover the 8 meters, how much power is she using? A. 40 W B. 55 W C. 70 W D. 75 W

How is volume calculated directly and indirectly

Which state of matter has the greatest amount of particle movement?

An engineer wishes to design a hydraulic system that will transmit pressure of 10,000 pascals using a force of 15 newton's how are large an area should the input piston have

What is the meaning of heredity