A student used a Vernier magnetic field sensor to measure the strength of the magnetic field generated by a bar magnet. At which position is the strength of the magnetic field strongest: Point A or Point B Point A

Point B

The field strength is the same at points A and B

When balancing a chemical equation:

What is the atomic mass of an atom that has 6 protons, 6 neutrons, and 6 electrons? a) 6 b) 8 c) + 1 d) 12 e) 18

The human activities in two locations are described below: location a: rampant use of plastic containers location b: excessive use of pesticides and fertilizers which statement is most likely true? location a will have poor air quality because plastic is biodegradable. location a will experience water scarcity because plastic absorbs moisture. the population of honeybees will increase in location b because production of crops will increase. the population of fish in location b will decrease because the water is contaminated.