Chemistry, 21.08.2019 15:30, startabull
According to the rock cycle, which of the following transitions are possible? assume an unlimited number of steps.
(a)an intrusive igneous rock becomes a sedimentary rock.
(b)a sedimentary rock becomes soil.
(c)a metamorphic rock becomes an extrusive igneous rock.
(d)all of the above are possible.
Answers: 2
Chemistry, 22.06.2019 08:40, jaueuxsn
Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.
Answers: 2
Chemistry, 22.06.2019 13:30, citlalli30
1) which of the following is the best example of a physical change? a) sugar dissolving in tea b) firefly glowing 2) in the combustion of ethane, what is/are the reactants? c2h6 + o2 ==> co2 + h2o a) c2h6 and o2 b) co2 and c2h6
Answers: 2
According to the rock cycle, which of the following transitions are possible? assume an unlimited n...
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