Selective breeding. That is, breeding which uses extreme selectivity
If an object has more protons than electrons, then the net charge on the object is positive. If there are more electrons than protons, then the net charge on the object is negative. If there are equal numbers of protons and electrons, then the object is electrically neutral.
Source: https://www.khanacademy.org/science/ap-physics-1/ap-electric-charge-electric-force-and-voltage/electric-charge-ap/a/electric-charge-ap1
Hope this helps :)
The answer is B high pressure.
It means you can do 550 Newton Meters of work every second. Power is the rate of doing work, I hope this helps
the first step would be gathering information , and making sure its correct
