Ice is less densw than water (a)
The substances which are less dense than water float on water
A clade is a group of organisms that includes an ancestor and all of its descendants. Clades are based on cladistics. This is a method of comparing traits in related species to determine ancestor-descendant relationships. Clades are represented by cladograms, like the one in Figure below.
C
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Answer:
B. The molecules are evenly spread out
Explanation:
salt is completely soluble in water. Na+ will be surrounded by OH- and Cl- will be surrounded by H+
Recombination occurs when two molecus of dna exchange pieces of their genetic material with each other .
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