Easy question on chromatography Drawing B shows what the finished chromatogram looked like. Sam has drawn lines on it to help her to see which blobs are level with each other.

2 Three of the inks have only one colour in them.

a Which three are they?

b Explain your answer.

3 a Which inks are mixed to make ink C?

b Which inks are mixed to make ink D?

Layers of rock containing fossils, like the layers illustrated here, are most likely composed of rocks.

Listen base your answer to the question on the information below.propane is a fuel that is sold in rigid, pressurized cylinders. most of the propane in a cylinder is liquid, with gas in the space above the liquid level. when propane is released from the cylinder, the propane leaves the cylinder as a gas. propane gas is used as a fuel by mixing it with oxygen in the air and igniting the mixture, as represented by the balanced equation below.c3h8(g) + 5o2(g) → 3co2(g) + 4h2o() + 2219.2 kja small amount of methanethiol, which has a distinct odor, is added to the propane to consumers detect a propane leak. in methanethiol, the odor is caused by the thiol functional group (–sh). methanethiol, ch3sh, has a structure that is very similar to the structure of methanol.what is the correct structural formula for a molecule of methanethiol

Can someone me with 1 to 4 plz. fast