Question

The main cause of the increase in the amount of carbon dioxide in earth's atmosphere over the past 150 years is _____. the main cause of the increase in the amount of carbon dioxide in earth's atmosphere over the past 150 years is _____. an increase in the amount of infrared radiation absorbed by the atmosphere additional respiration by the rapidly growing human population the burning of larger amounts of wood and fossil fuels increased worldwide primary production

Answer 1

The short answer is that we live in a global economy that includes frequent domestic and international travel, and viruses often hitch rides with us.

Answer 2

i think it is global warming / due to burning of fuels