Which principle of natural Selection explains why student a classroom all look different?

Yes i and the kids are in a little bit later bye bye girl mama bye ug mama bye bye hbk love kn gc mama mama jj bye kuch das

Mechanical energy from wind nonrenewable resource

In some developing nations the percentage of the animal protein from fish in the diet can be as high as 25 percent.  about 85% of fish caught is used for human consumption.  the remainder is converted into fishmeal and fish oil.