Which conclusion is best supported by daniels observations and discoveries

Since there are no choices, it will be difficult to answer your question.
Let's say these are the choices:

A. The liquid is a pure substance because it is colorless.
B. The liquid is a mixture because its temperature rises.
C. The liquid is a pure substance because it remains liquid when cold.
D. The liquid is a mixture because it has a gas dissolved in a liquid. 

your answer is D. The liquid is a mixture because it has a gas dissolved in a liquid. 

Ais cytoplasmb is cell membranec is ribosomesd is dnaur welcome and can i pls have brainliest?

That is true tge cactus as a structural adaptation to its envirinment has it leaves reduced to spines. but this doesnt mean it cant produce food it produces food because of the presence of chlorophyll in its stem