A simple machine makes our work easier and faster. why?

What is the order of the moon, earth, and sun in a lunar eclipse and a solar eclipse?

Lymphocytes known as blastocysts make antibodies that fight infection. select the best answer from the choices provided t f

(01.02 mc) nicole pushes her bike up a hill. overhead, the sun exerts a gravitational force on earth. which statement is true about the bike and earth? they both experience contact forces. they both experience non-contact forces. the bike experiences a non-contact force and earth experiences a contact force. the bike experiences a contact force and earth experiences a non-contact force. they both experience non-contact forces.