Geography, 24.11.2020 22:10 angelvega2003
Sandstone
19. Obsidian is a type of volcanic glass that is formed when lava cools. Obsidian is
a/an
a. intrusive igneous rock
c. sedimentary rock
b. extrusive igneous rock
d. metamorphic rock
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Which of the following factors is not used to measure a country’s standard of living? a.) life expectancy b.)educational levels c.)divorce rates d.) gross income
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Brian's school locker has a three-digit combination lock that can be set using the numbers 5 to 9 (including 5 and 9), without repeating a number. the probability that the locker code begins with a prime number is %. the probability that the last digit of the locker code is an odd number is %.
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Geography, 23.06.2019 04:00
Can someone me with this plz? ! i'm putting 20 points on it!
Answers: 1
Sandstone
19. Obsidian is a type of volcanic glass that is formed when lava cools. Obsidian is
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