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Author Question: An ecosystem is an example of a(n) ____________________ system since energy and matter are freely ... (Read 139 times)

ENagel

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on: Aug 7, 2018
An ecosystem is an example of a(n) ___________________ _ system since energy and matter are freely exchanged at its boundaries.
 Fill in the blank(s) with correct word

Question 2

Metamorphic rocks ____.
 a. form when molten rock comes in contact with the atmosphere
 b. often form depositional layers called bedding planes
 c. are usually softer and less resistant to weathering than sedimentary rocks
 d. are metamorphosed
 e. include the rocks obsidian and conglomerate


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mmpiza

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Reply #1 on: Aug 7, 2018
Answer to Question 1

open

Answer to Question 2

d


ENagel

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Reply #2 on: Aug 7, 2018
Both answers were spot on, thank you once again


mmpiza

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Reply #3 on: Aug 7, 2018
Great! Please up vote :D


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