If a 50kg car is pulling a 30kg car, how much force would be required to accelerate the cars at 2m/s/s?

Which heredity condition causes a buildup of mucus in lungs and pancreas? a. cystic fibrosis b. heart disease c. huntington's disease d. sickle cell anemia

During convection, less dense fluid rises and denser fluid sinks.

Which number represents a basic ph, 4 or 9? numerical answers expected! answer for blank 1: i'll give