If you use more than one independent variable at a time, and will observe a change, you will not know which variable contributed to a changed result.
An alternation of generations for plants include a haploid gametophyte and a diploid sporophyte.
Answer:
The answer is D.
Explanation:
Farmers have to continuously use the pesticides once used the first time because they have become an indispensable part of an agricultural cycle.
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The central and peripheral nerve systems are the main ones
