Sugar water is a:

heterogeneous mixture

homogeneous mixture

Homogenous

Explanation:

Sugar dissolves in water; it spreads around and is similarly consistent throughout a container of water.

Sand in water would be heterogenous due to sand NOT being able to dissolve in water, so they'd be on two separate layers.

amber has allowed scientists to study dna that has been preserved over millions of years.

bradykinin is a physiologically and pharmacologically active peptide of the kinin group of proteins, consisting of nine amino acids.