Why is it necessary to be able to replicate the results of a scientific experiment

5 Which of the following is a difference between plant cells and animal cells? A. Plant cells have a rigid structure, while animal cells have a more flexible structure. B. Animal cells carry out photosynthesis; plant cells do not. C.

A rock is thrown downward from an unknown height above the ground with an initial speed of 10m/s. It strikes the ground 3s later. Determine the initial

Which words in the sentence make up the entire participial phrase? The stack of papers fell, covering the office floor with notes and memos. a. stack of papers b. The stack of papers fell c. covering the office floor d.

How long does it take for mitosis to complete?

If a dog has a potential energy of 1500 J and a mass of 24 kg, how high off the ground is he?

Explain how the energy of a rubber ball is transformed as it rolls down a ramp.

Which type of friction acts on an object that is not moving? static friction fluid friction sliding friction rolling friction

A substance maintaining a uniform appearance throughout

How much work will it take to lift a 2-kg pair of hiking boots 2 meters off the ground and onto a shelf in your closet? O A. 2.45 J OB. 4J C. 39.2 J D. 20 J

Two cars collide on the parkway. The drivers are following too closely and the driver in the front slows because of traffic to a velocity of 20.0m/s and the driver behind is still moving at 30.