Explanation:
Using stratified random sampling, researchers must identify characteristics, divide the population into strata, and proportionally choose individuals for the representative sample. ... For example, individuals who are too busy to participate will be under-represented in the representative sample.
Answer:
The physical properties of a solution are different from those of the pure solvent. ... Colligative properties are those physical properties of solutions of nonvolatile solutes that depend only on the number of particles present in a given amount of solution, not on the nature of those particles.
subatomic particles are measured using amu (atomic mass unit)
<em>hope this helps!</em>
<em>have a great day :)</em>
Most transition metal form more than one cation but aluminum forms the Al3+ cation only.
Explanation:
d. endothermic change as
heat is added to solid ice to change it to liquid water
