Acid precipitation is caused by a mix of
a. sulfur dioxide, carbon dioxide, and nitrogen oxides.
b. respiration, carbonic acids, and seawater.
c. hydrogen, oxygen, and saline.
d. water, soil, and air.

What happens when a magniseum ion ia atracked to a chlrene ion

Coral reefs support more species per unit area than any other marine environment on earth. what is one way coral reefs are important to the health of the biosphere

Astudent reads the following text in a science book: scientific evidence tells us that the cause of earths four seasons is the tilt of earth as it revolves around the sound the student is instructed to illustrate this information in a science book. how will the student illustrate winter in the northern hemisphere? a.earths northern hemisphere will tilt away from the sun. b. earths northern hemisphere will tilt toward the sun. c.earths orbit will be farther away than from the sun d. earths southern hemisphere will tilt away from the sun.