Indoor air pollution has increased as improvements have been made in .
A)
heating and air-con...
![subject](/tpl/images/cats/biologiya.png)
Indoor air pollution has increased as improvements have been made in .
A)
heating and air-conditioning systems
B)
radon-resistant construction techniques
C)
energy conservation in the home
D)
green building construction
E)
all of these choices contribute to indoor air pollution
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Biology
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 10:00
Nephrons, the functional unit of kidneys, are responsible for formation of urine. the sentences describe situations that are the result of problems in the urine formation process. for the nephron shown below, match each situation to the step in the urine formation process where the problem lies.
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 13:00
What problem would a person most likely have if her kidney did not work correctly?
Answers: 2
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 15:10
Brian made this table to organize his notes on changes of state change of state energy change melting gain freezing lose deposition gain condensation lose
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 17:00
What are ways that ordinary people can to keep antibiotic resistance from getting worse?
Answers: 1
You know the right answer?
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 03.12.2021 18:30
![question](/tpl/images/cats/istoriya.png)
History, 03.12.2021 18:30
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 03.12.2021 18:30
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/User.png)
SAT, 03.12.2021 18:30
![question](/tpl/images/cats/en.png)
English, 03.12.2021 18:30
![question](/tpl/images/cats/mat.png)
Mathematics, 03.12.2021 18:30
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/fizika.png)
Physics, 03.12.2021 18:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 03.12.2021 18:30
![question](/tpl/images/cats/en.png)