Earth’s magnetic field is generated by the?
a. mantle
b. lithosphere
c. outer core
d. inner core
e. crust

the answer is c) an oak tree

the answer is; comparing the frequency of collisions with and without the device

this makes the anti-collision system an independent variable and the collisions a dependent variable. if there are fewer collisions with an anti-collision system that without, then it can be stated that the system is a success. essentially, collisions under an anti-collision system are compared with the frequency of collisions by cars with the human drivers.

answer; /// i believe that the correct answer is ( monophasic ); ethinyl estradiol- ethynodiol diacetate is a monophasic oral contraceptive agent; ///

it enhances antibody production by t cells of the adaptive immune system.

hope i'm right

explanation: