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

the answer is a or when it says crossing over

c.) polymerase chain reaction

- "unlike the original dna fingerprinting method, dna profiling does not use restriction enzymes to cut the dna. instead it uses the polymerase chain reaction (pcr)? to produce many copies of specific str sequences. pcr is an automated procedure that generates lots of copies of a specific sequence of dna."

the answer is otpion c) understanding

he wants to be heard one more time. he wants to be understood. he needs the truth one more time.

the actual answer was 160934