Scientists make observations in different wavelengths because.

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?

70 give a real life example showing how sensory neurons work with the motor neurons

When conducting an investigation to determine which type of fertilizer produces the most flowers on a plant, which variable would be graphed on the x-axis once you collected the data? a. type of fertilizer b. amount of flowers c. amount of water d. number of days that the plants grew