Which one of the following statements about air pollution is false?
a. the united states has created restrictions to reduce air pollution.
b. thirty-percent of pollution in the untied states did not originate in the united states.
c. air pollution is only a problem in the developing world.
d. air pollution can lead to poor health.

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water

Which prefix mean under less or below

When does a spring tide occur? question 9 options: they occur when the sun, moon, and earth are aligned. in spite of their name, these tides occur twice a year in the spring and fall. they occur on the date of the vernal equinox each year, no matter what stage the moon is in. this is why they are called spring tides. they occur when the sun, moon, and earth are at 45-degree angles from each other. this happens once every spring. they occur when the sun, moon, and earth are aligned. in spite of their name, these tides occur all year long.