Which of the following best describes a tectonic plate? A. Underground tunnels for water to travel.
B. Fragments of the Earth's crust that float on the Earth's mantle.
C. Areas in the mantle that flow.
D. Mounds of volcanic lava that form cone shaped features on the Earth's surface.

Which account has the highest effective annual interest rate? not necessary but show how you got your answer.a. account 1: interest is compounded quarterly at an annual rate of 4.20%.b. account 2: interest is compounded monthly at an annual rate of 4.15%.c. account 3: interest is compounded semiannually at an annual rate of 4.10%d. account 4: interest is compounded annually at a rate of 4.25%.