Owners of cattle herds who only choose to breed cows that produce the most milk are engaging in blank selection

In this experiment, you will use a track, a toy car, and some washers to explore newton’s first two laws of motion. you will make observations and collect data regarding the motion of these objects. in the space below, write a general scientific question that you will answer by doing this experiment.

In a good thermo flask the main cause of heat loss is

How to calculate voltage drop in a series circuit