Question: The image represents a sound wave as it goes through several changes. Describe how the wave changes. Where does it get louder?
Where does it get softer? How does the pitch change? How do you know?

the "power" of a lens is its resolution power, or its ability to distinguish between to closely located points. with the low power lens, it is likely you will see the rough form of the hay and maybe some movement of dots around the hay. however, when observed with the high power lens, the detailed features of the hay become visible and the microbes being grown are more clearly visible.

i hope this you

bacterium is not correct