<span>In terms of matter and resources, the Earth is essentially a closed system, because matter and resources are fixed.
</span>In terms of energy, the Earth is an open system, because there is a balanced transfer of energy. (The energy<span> radiates into the </span>Earth's system<span>, from the Sun and</span><span> then it is radiated back into space from the </span>Earth. The<span> flows of energy are regulated by the </span>Earth's<span> atmosphere and ozone layer.)</span>
You added your question in the wrong category, this is actually algebra lol.
Answer:
wow.. they really deleted my other answer =-=
Explanation:
do you still need help with this?
Answer:Christine was crying because she work so hard for the test but she was not be able to pass it
Explanation:
