Which of these solids is insoluble in water?
sand
sugar
common salt
d)
jello powder

Sand is insoluble in water.

Explanation:

We know that both salt and sugar are soluble. When we pour either of those substance into water, they completely dissolve to make the water clear. Same with jello powder. You cant make jello without water, and we all know that jello powder dissolves into the water to make colored water!!

hope this helps you, if you have any questions feel free to leave them in the comments :)

the function of the protein macromolecule is to move things in and out of the cell and transport other molecules in the body. there are many functions of proteins. they are the basic building blocks of living things and are responsible for the growth and repair of body cells and tissues.

explanation:

ecological efficiency: % of usable energy transferred as

biomass from one trophic level to the next typical is 10% efficient (90% of

energy is lost),is diagramed as the pyramid of energy flow. then osprey eagle

are tertiary consumer and the shrimp are primary consumer, so to balance

mass of shrimp (1/0.1) / 0.1 = 100 kg