13. An object of mass 30 kg is falling in air and experiences a force due to air resistance of 50N. a. Determine the net force acting on the object and
b. calculate the acceleration of the object.
Answer to (a)
Answer to (b)

Are humans interfering with or a part of evolution happening today? find examples of evolution seen in recent history that could be caused by human activity.

The cellular plasma membrane is selectively permeable, which means some materials move through it while others cannot. the movement of materials into and out of the cell is called membrane transport. this activity will you identify the different mechanisms of membrane transport

For each of the formulas, classify the formula as either an empirical formula, a molecular formula, or both. nahco3 empirical molecular both