<em>1. </em><span><em> the theory that Earth's outer shell is divided into several </em></span><em>plates</em><span><em> that glide over the mantle</em> <em>2. I am not sure</em> <em>3. </em></span><span><em>Earth's mantle contained convection cells that dissipated radioactive heat and moved the crust at the surface</em> <em>4. </em></span><span><em> supercontinent that existed during the late Paleozoic and early Mesozoic eras.</em> <em>5. </em></span><span><em> the </em></span><em>theory</em><span><em> that the outer rigid layer of the earth (the lithosphere) is divided into a couple of dozen "</em></span><em>plates</em><span><em>" that move around across the earth's surface relative to each other, like slabs of ice on a lake.</em> <em>6. </em></span><span><em>Africa and South America.</em> <em>7. I am not sure</em> <em>8. </em></span><span><em>a small area or region with a relatively hot temperature in comparison to its surroundings.</em> <em>9. </em></span><em>As the plate moves over a fixed spot deeper in the Earth where magma (molten lava) forms, a new volcano can punch through this plate and create an island. </em>The Hawaiian Islands are believed to be formed from one such 'hot spot'.
Describing a trait as dominant does not mean it is the most common; it means that it is expressed over the recessive trait. For example, tongue rolling is a dominant trait, controlled by the dominant version of a particular gene (R). Individuals with one or two copies of R will exhibit tongue rolling.
