Respuesta :
Earth crust is defined as the outer layer of the and is the top part of the lithosphere.
The correct answer is:
Option D: thinner and more dense.
The crust of North American and Juan de Fuca can be compared as:
1. Juan de Fuca is a small tectonic plate that is formed by the oceanic crusts. The crust of Juan de Fuca is denser as it flows towards the eastwards.
2. The North American Plate is a tectonic plate that includes oceanic and continental plates. The crust of the North American plate is thinner and is a rigid slab formed billions of years ago.
Thus, the correct answer is Option D.
To know more about Earth's crust, refer to the following link:
https://brainly.com/question/25938468