A shopper pushes a shopping cart with a force of 6.9 N at an angle of 59° to the left of the negative Y- axis. While the cart moves a horizontal distance of 7.0 m, what is the work done by the shopper on the shopping cart?

The answer which is not a detail carson used to describe the pool in the cave at low tide is b.  hundreds of periwinkles browse the branches and roots of the trees. 

Well it depends on the object or substance

Answer is c. water in a slow moving water is slow because it is under less pressure(or no pressure)a. is not about a fluidb. not a fluid either, but also it talks about compressing which is the same as squeezing or tightening, so it will always be associated with increase in pressure, and the “pressurized tank” at the end confirms this d. moving from a wider to a narrower space always increases pressure

If there is balance between the positively charged protons and the negatively charged electrons, the two chargers are neutralized. an imbalance of protons and electrons leads to imbalance of charges. electrons are then able to move, resulting to the  formation of an electric field.