Oceanic crust is denser than the continental crust
The continents are not drifting, exactly. They are physically attached to the tectonic plates, which are basically enormous slabs of rock that are stacked on top of each other. The tectonic plates cause the continents to move in a process known as <u>plate tectonics,</u> also causing earthquakes, sink holes, and a number of other natural disasters. I think the best way to make a visualization of this is making a plate of pancakes, and stacking them while only half of each pancake is on top of the previous one, and as it goes up, it becomes more steep, until the point where they fall over.
The nature-nurture issue has been long a controversy and a debate with regards to the environment and how it should be developed. In the given statements above, the one that best represents contemporary thinking on the nature/nurture controversy is this: <span> the relationship between genetics and environment is interactive; each influences the other.</span>
