Air quality is a measure of how clean or polluted the air is. Which of the following is a common way to obtain evidence about air quality?

Select one or more:

A. Measuring the number of air-related health issues people have

B. Measuring the temperature of the air

C. Measuring the amount of oxygen in the air

D. Measuring the amount of ground-level ozone

rising sea temps which are causing coral reefs to bleach and die out

glaciers are melting causing sea levels to rise wgich could flood out land

explanation:

answer: land bridge theory. land bridge theory held that shifting portions of dry land explained the finding of identical species on different continents. plate tectonic theory eventually eliminated the land bridge theory.

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