When the air in a submarine's huge air tanks is decompressed and it displaces the water in the ballast tanks with air, what does the submarine do? a. it sinks b. it floats c. it provides air to the passengers

Why is there friction between objects

Select the correct answer from each drop-down menu. compared to its surroundings, the concentration of solutes is low inside a cell. so, the cell is with respect to its surroundings. a particular solute in this cell uses energy for its transport from the cell to its surroundings. this type of transport is called

Acompound machine is also called a machine. a. force b. simple c. complex d. directional