Suggested that social studies be the basis for activity=based learning using the children interests
a. maria montessori
b. john dewey
c. lucy sprague mitchell
d. patty smith hill

What is the scientific definition of energy that relates to work

Waves are used in many practical applications to support work, entertainment, and health. one example is the use of ultrasound imaging to safely track the development of a growing fetus. what is a specific example of a practical application of waves in medicine, entertainment, safety, or other fields? provide a brief explanation of how the properties of waves are useful to that application.

Astudent wears sunglasses to her read a book more easily which wave interaction occurs as light passes from the air into the plastic lenses? a polarization b.refraction c.diffraction d. interference