In object of mass 30 kg is in freefall in a vacuum where there is no air resistance determine the acceleration of the object

How can one distinguish breccia from conglomerate? a. breccia contains angular clasts and conglomerate contains rounded clasts. b. breccia contains rounded clasts and conglomerate contains angular clasts. c. different minerals cement breccia than cement conglomerate. d. breccia contains sand and conglomerate contains silt.

Aknife blade is a(n) a. lever b. screw c. wedge d. inclined plane

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