Write the common name of 1)propanone
2)methanal
3) sulphuric acid

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1) Acetone

2) Formaldehyde

3) Vitriol oil / battery acid

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- Hannah ❤

i believe it is-

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

indicate valleys, hills, steepness and gentleness of slopes.

explanation:

contour lines on a map indicate elevation, or depth. numeric notations on contour lines refer to the level of elevation, or height about sea level.