Particulate matter
OOO
may cause damage to respiratory tissues when inhaled
binds with hemoglobin, preventing hemoglobin's binding with oxygen
is problematic because it increases primary productivity by limiting the availability of sunlight for plants
includes nitrogen oxides
Od

d is the answer

sorry if its wrong!

the truman doctrine was an american foreign policy whose stated purpose was to counter soviet geopolitical expansion during the cold war. it was announced to congress by president harry s. truman on march 12, 1947, and further developed on july 12, 1948, when he pledged to contain threats to greece and turkey.

the answer is b.) hydrogen bonds between bases.

golgi body just took the test on edge