Each year, the Atlantic Ocean widens, causing north and South America to move farther away from Europe and Africa. True or false?

What does 2[tex] {2}^{ - 4} \times {2}^{ - 2} [/tex]

Which of the following is a measure of the amount of light a star directly emits? a. luminosity b. wavelength c. brightness d. intensity

Which of the layers of the earth has the following three characteristics? i. it is a solid outer layer. ii. it is between 3 and 30 miles thick. iii. it is separated into plates. a. the outer core b. the inner core c. the mantle d. the crust