Answer:
B. the Appalachian Mountains and the Laurentian Mountains
Mining hope my answer helped............
Answer:
In the ancient world porcelain was a necessity. For everyday use, it was used to create cups, plates, and other useful items. Exquisite, high-quality porcelains were usually housed as decoration or served as gifts. It was also used to create decorative statues and ornate trinkets for the higher classes.
Answer:
Mutations, gene flow, and sexual reproduction are all major causes of variation. By altering the genes of individuals in a population, DNA mutation causes genetic variation. As new individuals with different gene combinations migrate into a population, they cause genetic variation.
Explanation:
B)
Answer:
The correct answer is: a) it relies on testimony from people.
Explanation:
The Mercalli intensity scale, unlike the Richter scale, does not directly measure the energy of an earthquake. Rather, it takes into account the damage and effects that the earthquake caused. When there is little damage, it relies on the testimony of people who felt the earthquake, which may vary and is ultimately subjective to people's perception.
The Mercalli Intensity Scale ranges from "Not felt" to "Catastrophic" going through 12 scale intensities.