An ecosystem is an example of a(n) _______________ system, because energy and matter are freely ...

Author Question: An ecosystem is an example of a(n) _______________ system, because energy and matter are freely ... (Read 94 times)

shenderson6

Hero Member
Posts: 573

on: Jul 13, 2018

An ecosystem is an example of a(n) _______________ system, because energy and matter are freely exchanged at its boundaries.

Fill in the blank(s) with correct word

Question 2

Earth moves around the sun in a perfectly circular orbit.

Indicate whether the statement is true or false

recede

Sr. Member
Posts: 315

Reply #1 on: Jul 13, 2018

Answer to Question 1

open

Answer to Question 2

F

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