Answer:
Sewage treatment and nitrous oxide
Step-by-step explanation:
Sewage to treatment and nitrous oxide is correctly paired with the greenhouse gases that it increases.
Greenhouse gas refers to gases that has the property of absorbing infrared radiation (net heat energy) emitted from Earth’s surface and reradiating it back to Earth’s surface, thus contributing to the greenhouse effect.
Examples of greenhouse gases and the most important greenhouse gases are methane, carbon dioxide (CO2), and water vapor.
Human activities such as fossil-fuel combustion are responsible for increase in the atmospheric concentration of various greenhouse gases, especially carbon dioxide, methane and ozone.
Answer:
what are the options?
Step-by-step explanation:
There are usually 16 games in a football season.
Since there's three more games, they've had 13 so far.
There are 27 combinations of outcomes.
Answer:
an expression designed to call something to mind without mentioning it explicitly; an indirect or passing reference.
Step-by-step explanation: