PLEASH HELP!! i need help on this question!

Q: How does our understanding of Earth help us learn about
other rocky planets?

The african continent is home of the worlds largest desert and longest river . t or f

To solve this system of equations by elimination, what operation could be used to eliminate the y-variable and find the value of x? 6x + 5y = 2 4x + 2y = 8 a) subtract 2 times the second equation from 3 times the first equation b) subtract 3 times the second equation from 2 times the first equation c) subtract 5 times the second equation from 2 times the first equation d) subtract 2 times the second equation from 5 times the first equation

Which of the following statements about the us federal boundaries is true