Of the possible types of relationships - parasitism is the only one which doesn't really represent a symbiotic type of a relationship. All of the other ones here (mutualism, commensalism and competitive exclusion) are some form of symbiotic relationship.
Atoms are grouped together by their number of valence electrons
1-a
2-d
3-d
4-d
5-c
6b
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<span>To calculate intelligence quotient in children, you take their mental age over their chronological age and multiply it by one hundred. So, twelve divided by 10 is 1.2, and 1.2 times one hundred is 120. Demi's intelligence quotient is 120. She is very smart, at least in the type of academics-related intelligence that is measured by IQ tests.</span>