Plants such as the cactus reside in the desert biome.
Testable and rejectable.
Recorded data may be quantitative or qualitative.
The storage + the transmission of genetic info are NOT done by proteins but by your DNA.
A would be your answer.
The answer is: "2A" or "IIA" or "2" or "II";
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In which "II" stands for the Roman numeral representing the number: "2 (two)".
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The answer is C I believe