The wavelength of a wave is 0.5 meters, and its period is 2 seconds. what is the speed of this wave?

What feature of cell theory is best demonstrated in the image

What is the next step in muscle contraction after the actin changes shape? (apex)

Select the correct answer from each drop-down menu. in an experiment, dr. travis examined the effects of calcium intake on osteoporosis, a condition that causes an increased risk of bone fractures. the amount of calcium is variable. the risk of bone fractures .