Why was 1990 an important year regarding air quality? select two options.
the united states t...
Biology, 06.11.2019 20:31 christinasmith9633
Why was 1990 an important year regarding air quality? select two options.
the united states took first steps to keep the air clean.
cost-effective ways to reduce pollution were emphasized.
the united states created the environmental protection agency.
modifications and improvements were made to the clean air act.
funding was established under the clean air act to study air pollution.
Answers: 1
Another question on Biology
Biology, 22.06.2019 05:00
Match each term to its best definition? sedimentary depositional enviornment
Answers: 1
Biology, 22.06.2019 06:30
Photosynthesis uses co2 and cellular respiration produces co2. we call the point when the two processes are in balance--when there is no net production of co2--the compensation point. how might you limit one of the processes in order to achieve a compensation point?
Answers: 3
You know the right answer?
Questions
Arts, 10.02.2021 22:10
Mathematics, 10.02.2021 22:10
Spanish, 10.02.2021 22:10
Chemistry, 10.02.2021 22:10
Mathematics, 10.02.2021 22:10
English, 10.02.2021 22:10
Biology, 10.02.2021 22:10
Mathematics, 10.02.2021 22:10
Biology, 10.02.2021 22:10
Mathematics, 10.02.2021 22:10
