15 points
1. In a population of sheep, some are brown and some are white."
A. adaptatio...
Chemistry, 25.03.2021 01:00 halimomohamed
15 points
1. In a population of sheep, some are brown and some are white."
A. adaptation
B. evolution
C. variation
D. reproduction
In a population
of sheep, some
are brown and
some are white.
A new species
of plant
develops and
another species
of plant dies out
An insect avoids
predators by
looking like a
leaf
Answers: 3
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The following reaction shows sodium carbonate reacting with calcium hydroxide. na2co3 + ca(oh)2 → naoh + caco3 how many grams of naoh are produced from 20.0 grams of na2co3? (molar mass of na = 22.989 g/mol, c = 12.01 g/mol, o = 15.999 g/mol, ca = 40.078 g/mol, h = 1.008 g/mol) 12.2 grams 15.1 grams 24.4 grams 30.2 grams
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