B. Subgroups
<span>When constructing a dichotomous key, the first step is to look at the group of objects or organisms and separate them into two groups based on a single distinguishing characteristic. Then continue to separate each of the groups until each object has its own separate set of characteristics.</span>
Be careful of the terms you use.
Chemicals with the same chemical composition but different structures are called isomers.
The specific example you gave of diamond and graphite suggests that you're looking for different forms of elements that have different physical structures. Those are called allotropes.
Carbon becomes apart of living organisms by,producers take in Carbon Dioxide (from air) and consumers eat the producing organisms (producers).
I hope that helped.
Answer:
C. It can be pulled into a wire easily Good Luck!!!!!!!
Explanation:
