Which of the following is not a part of photosynthesis? nitrogen oxygen water all of the above are important parts of photosynthesis

An uncharged nonconductive hollow sphere of radius 18.0 cm surrounds a 12.0 µc charge located at the origin of a cartesian coordinate system. a drill with a radius of 1.00 mm is aligned along the z axis, and a hole is drilled in the sphere. calculate the electric flux through the hole.

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j ?

The electronic structure or chlorine is 2.8.7 what is the electronic structure of fluorine?