You would check their sources, so your answer is C
Answer:
A:The police no longer suspect Mary of murdering her husband.
Explanation:
Answer:
Soil chemical properties, including<u> </u><u>heavy metal concentrations, pH, total carbon, total nitrogen, CEC, exchangeable calcium (Ca), magnesium (Mg) and potassium (K), exchangeable Al</u><u> </u>and hydrogen (H) and available phosphorous (P), were determined following standard laboratory methods.
Explanation:
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It is useless because the material is not good enough for the tasks they are different silks