Chemistry, 07.04.2021 21:30 brenda0014
Why was it important to establish the Clean Air Act?
to reduce the need to study the effects of dirty air on human health
to determine ways to reduce the number of premature deaths per year
to create a regulation that makes any activities that pollute the air illegal
to make sure that no government activities polluted the local atmosphere
Answers: 1
Chemistry, 22.06.2019 10:00
Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.
Answers: 1
Chemistry, 22.06.2019 11:40
Enzymes affect the reactions in living cells by changing the
Answers: 3
Chemistry, 22.06.2019 23:00
What element has similar physical and chemical properties as boron.
Answers: 1
Why was it important to establish the Clean Air Act?
to reduce the need to study the effects of dir...
Geography, 27.07.2019 01:30
Geography, 27.07.2019 01:30
Geography, 27.07.2019 01:30
Geography, 27.07.2019 01:30
Geography, 27.07.2019 01:30
Geography, 27.07.2019 01:30