Can be improved by using alternative forms of transportation and regulating

select one
air quality
air pollution
smog
acid rain

The answer is air quality. The air quality index was developed to monitor air quality in cities and countries and the higher the AQI, the higher the health risks to the population. Improving air quality can be achieved by reducing carbon emission from vehicles, aircraft, and industries.

c

explanation:

kelp are large brown algae that live in cool, relatively shallow waters close to the shore. they grow in dense groupings much like a forest on land. these underwater towers of kelp provide food and shelter for thousands of fish, invertebrates, and marine mammal species.

e) all of the above