Why does sand conduct heat better than water?
A. The molecules in sand are larger than the molecules in water.
B. The molecules in water are more dense than the molecules in sand.
C. The molecules in sand are closer together than the molecules in water.
D. The molecules in water are closer together than the molecules in sand.

What did the first language sound like

Chlorophyll is found in plant leaves and absorbs light from the sun to enable plants to perform photosynthesis. magnesium is an important component of chlorophyll. the concentration of magnesium ions is higher in the root-hair cells of plants than in the soil. which mechanism of ion uptake would best enable a plant to produce a steady supply of chlorophyll? osmosis diffusion passive transport active transport

Aheterozygous normal male marries a woman with a sickle cell anemia. give the genotypes and possible phenotypes of the offspring