The electronic configuration of an element is 1s2s22p6. How many valence electrons does it have?

According to the tide table below what time of day will the highest tide occur?

How is the shape of the poem “peer” connected to its meaning?

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.