Chemistry, 11.01.2020 09:31, SumayahAminaAnsari
Ageologist finds ripples preserved in ancient sedimentary rock that look just like ripples made by water in mud. he concludes that there was once water in that location that created the ripples. why is this conclusion reasonable?
a.
because sedimentary rock always forms under water
b.
because water and mud behaved very differently in the past than they do today
c.
because sedimentary rock never forms from mud
d.
because water and mud behaved in a similar way in the past as they do today
Answers: 1
Chemistry, 23.06.2019 01:30, jarteria0
Some molecular compounds, such as hcl, ionize completely in solution. for molecular compounds such as h2co3, most molecules do not ionize in solution. which describes the properties of these two solutes? a. hcl and h2co3 have the same effect on the properties of the solution. b. hcl raises the freezing point of water more than h2co3 does. c. hcl raises the boiling point of water more than h2co3 does.
Answers: 2
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