A. an original research report. Hope this helped u hunn =^.^=
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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The correct option is number 2 "when". The reason is that the author wants to make reference to the year 1960, and the pronoun "when" refers to points in time. The pronoun "there" is used to refer to Alexandria, so option 1 is not correct, rather it is redundant. Option 3 simply does not apply, since the relative pronoun "which" is used to refer to objects.
Answer:
exclusive
Explanation:
exclusive means like a one time place/offer
