Question

-476- (90)+1267+ (123)

Answer 1

Answer:

-476- (90)+1267+ (123)

=

824

Answer 2

Answer:

Long-term health effects from air pollution include heart disease, lung cancer, and respiratory diseases such as emphysema. Air pollution can also cause long-term damage to people's nerves, brain, kidneys, liver, and other organs. Some scientists suspect air pollutants cause birth defects.

-476- (90)+1267+ (123)

=824