Geography, 20.12.2019 08:31 rattler6125
Arock formed with 1,000 atoms of a radioactive parent element, but only contains 125 radioactive parent atoms today. if the half life is 1,000,000 years, how old is the rock?
Answers: 3
Geography, 22.06.2019 11:30
Which sequence of transformations on preimage ∆abc will not produce the image ∆a'b'c'? a. reflection across the line y = x b. rotation 180° clockwise about the origin followed by a reflection across the line y = -x c. reflection across the x-axis followed by a reflection across the y-axis d. reflection across the line y = -x followed by a rotation 180° counterclockwise about the origin e. reflection across the y-axis followed by a rotation 90° clockwise about the origin
Answers: 1
Geography, 22.06.2019 23:00
In the developed world, describe the changing role of women in agriculture.
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Geography, 23.06.2019 01:00
5. what is a red giant? can our sun become a red giant? why or why not?
Answers: 2
Arock formed with 1,000 atoms of a radioactive parent element, but only contains 125 radioactive par...
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