Answer:
An open system is a system that has external interactions. Such interactions can take the form of information, energy, or material transfers into or out of the system boundary, depending on the discipline which defines the concept
Explanation:
I would go with D, speaker. A poem is written by an author, but the author isn't always the speaker.
<span>The 1906 earthquake in California, about 5:12 am on April 18, was before the Richter scale, but scientists estimate it would rank as a 7.8. As much as 90% of the damage in San Francisco was from fires caused by cracked gas pipes. San Francisco burned for three days and nights.
</span>The December 26, 2004 Indian Ocean earthquake located <span>off the west coast of Sumatra, </span><span>Indonesia </span>lasted nearly 10 minutes—the longest on record. <span>
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When you have atoms they can’t touch each other like the body can’t touch anything so no they won’t be solid
Answer:
<h3>The balance of nature is a theory that proposes that ecological systems are usually in a stable equilibrium or homeostasis,which is to say that a small change will be corrected by some negative feedback that will bring the parameter back to its original "point of balance" with the rest of the system.</h3>
Explanation:
<h3>I hope this will help you/helpful for you.</h3>
