Chemistry, 29.03.2021 21:10 ellemarshall13
What do these skulls in the fossil record tell us about hominin evolution?
The nose became more prominent as hominins evolved
Hominins grew taller as they evolved
The jaw grew relatively larger as hominins evolved
Human skulls became more pointed as hominins evolved
Answers: 2
Chemistry, 22.06.2019 04:20
Which formula can be used to calculate the molar mass of ammonia (nh3)? molar mass of n + molar mass of h 3 × molar mass of n + molar mass of h molar mass of n + 3 × molar mass of h 3 × molar mass of n + 3 × molar mass of h
Answers: 1
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The name of the ion, s2-, is: sulfurous ion sulfide ion sulfur ion sulfate ion
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Chemistry, 22.06.2019 06:00
An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have
Answers: 2
Chemistry, 22.06.2019 07:30
According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons
Answers: 1
What do these skulls in the fossil record tell us about hominin evolution?
The nose became more pro...
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