Which statement about Schrödinger’s theory of the atomic model is true? A.
It proved that the nucleus of an atom is positively charged.
B.
It was the first theory to discuss the existence of electrons.
C.
It explained the odds of finding the position of an electron.
D.
It assumed the electron cloud to be heavier than the nucleus.

it is important to conserve water because there is very limited amount of freshwater here on earth and if we are not smart about how we use it we will only be runnning out of our supply faster than neccessarry.

practical process described pest part of scientific investigation.

because practical knowledge is powerful then therotical knowledge.

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.