Answer:
If you decided that the continuous spectrum of earlobe shape was a more accurate way to describe the variation, you aren’t alone. Family and genetic studies show that earlobe attachment is actually not a simple trait, but rather a complex trait, affected by multiple genes and environmental factors.
<span>A dichotomous key is very easy to use because it provides only two choices. </span>
If you're apart of K12 public online school and you're doing this lab report you can find the PDF for the common leaves sheet of the 10 leaves in 3.03 Dichotomous Key Investigation: Dichotomous Key under Materials then you just look at the example and instructions and fill out that way
<span>All the options (heat, pressure, deposition and chemical environment) are correct.<span>
Metamorphic rocks are formed when pre-existing rocks are subjected to heat, pressure and hot mineral rich fluids which cause physical, chemical and mineralogical changes to the rock. Metamorphic rocks are grouped by chemical, texture and mineralogy. The common metamorphic rocks include schist, marble, and gneiss.
</span></span>