How can you distinguish A from B? In this lab, you will do experiments to identify types
of changes. Using the question format you learned
(shown above), write an investigative question that
you can answer by doing these experiments.

output?

explanation:

i believe it is-

d.) gravity pulled particles of dust and gas together to form planets.

how important do you think an instrument is to the musician who plays it?

sup bro, im dumb, but this is what i found xd

"the ozone layer acts as a filter for the shorter wavelength and highly hazardous ultraviolet radiation (uvr) from the sun, protecting life on earth from its potentially harmful effects. when the sky is clear, there is an inverse relationship between stratospheric ozone and solar uvr measured at the earth's surface"