Select the correct answer from each drop-down menu. What causes atoms to form covalent bonds?
The number of
In a covalent bond, two atoms are held together by the attraction between
covalent bonds that an atom can form depends on the number of
In the atom.

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.