Why is it commonly believed that carbon dioxide is responsible for global warming? Carbon dioxide levels in the Earth’s atmosphere have been steadily decreasing.
Carbon dioxide has a longer average lifetime in the atmosphere.
The warming effect associated with carbon dioxide has remained unchanged.
Other greenhouse gases amplify the effect of carbon dioxide.

That rolled gracefully toward the shore

He united states can produce 200 pillows in one week, while spain and france produce 150 and 100 pillows, respectively, in one week. on the other hand, spain can produce 10 televisions in one week, while the united states and france produce only 5 and 4 televisions, respectively. has an absolute advantage in producing pillows, and has an absolute advantage in producing televisions.

Me plz why do tourists have to view stonehenge from a distance? a. the stones could fall and injure someone.b. visitors have caused too much damage.c. visitors get in the way of scientists.