True or false? the parent material has a large influence on a soil's physical and chemical properties.

true or false? parental material can only be made from sedimentary rock.

true or false? dead organisms have no influence on soil formation.

true or false? regular exposure to heat and sun will decrease the breakdown of rocks and organic materials.

What is the polyatamic ion of thiosulfate

Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.

What produces wave a)sound b) heats c)transfer of energy d)vibrations