Could you translate the problem in english?
Answer:
Carbon dioxide (CO2): of the greenhouse gases, this is the most important associated with human activities, and the main responsible for this effect. The concentration in the atmosphere is due to the use of fossil fuels for industrial processes and means of transportation. Its emission comes from all kinds of combustion processes: oil, coal, wood or by volcanic eruptions.
Explanation:
A greenhouse gas is an atmospheric gas that absorbs and emits radiation within the infrared range. This process is the fundamental cause of the greenhouse effect The main GHGs in the Earth's atmosphere are water vapor, carbon dioxide, methane, nitrogen oxide and ozone
Answer:
to start the letter, "to whom it concerns"
when addressing them in the letter, use "you", "your" "they/them".
Explanation:
these words and phrase are used for a collective but are used in everyday language when the gender identity of someone is unknown.
I believe the answer is A
The Inca were not pre-columbian
