Match the era on the left with its characteristic on the right.
?
When Earth's atmosphere
formed
Precambrian
2
Ended with a massive
impact
Paleozoic
12
When oxygen-breathing
organisms first thrived
Mesozoic
Cenozoic
Began about 65 million
years ago
SUBNUTI

Dubai is challenged by all of the following environmental factors except a. a warm and dry climate b. a lack of annual rainfall c. scarce freshwater resources d. a lack of valuable natural resources

Which of the following is not a reason why shenzhen, china, is considered an emerging global city

This image shows a volcanic eruption in hawaii with lava flowing into the sea. which statements best describe this eruption? check all that apply. its magma is high in silica. its magma has low viscosity. its lava came from a quiet eruption. its lava sets fire to everything in its path. its lava came from an explosive eruption.