Answer:ABCD
Explanation:
add them then that’s the answe
Nucleic acids are the building blocks of proteins so a b is rna and C is genes
B. Cladistics, because the other two choices don't make any sense.
Answer: D. His conclusion is flawed because he did not test the students to see if their bodies contained metal arsenic.
Explanation:
According to the given situation, student has tested seven different areas around the school to determine the presence of arsenic in the soil and also found the presence of arsenic in the school system. But has not studied the presence of arsenic in the students to support the fact that the school students are also affected by arsenic. So, conclusions based on the presence of arsenic in the soil and the system is inconclusive for the present study.
Answer:
Abiotic are the not living aspects
