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Explanation:
Mass box A = 10 grams; Mass box B = 5 grams; Mass box C—made of one A and one B How many grams of A would be needed to give the same number of particles: as 7.5 grams of B? 20 as 2.5 grams? 12.5 as 12.5 grams? 37.5 as 1 gram? 2 Count the number of molecules in the diagram of water formation given in the lesson to complete the following ...
phosphorus in water is rapid combustion.
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DNA is made up of four building blocks called nucleotides: adenine (A), thymine (T), guanine (G), and cytosine (C).
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Death in the Water: How Plastic Is Poisoning Our Oceans
Liz Greene February 17, 2017
We live in a society obsessed with convenience, and that obsession has made plastic king. Though humankind has greatly benefited from plastic, the environmental costs of this reigning polymer may bring about our downfall. Traveling from land to sea in the wind or through waterways, plastic pollution is causing extensive damage to our marine life and giving life to one of the greatest ecological disasters of our times.
Plastic has been collecting in the marine environment since plastic production began in the 1950s — in fact, each square mile of the ocean contains more than 46,000 pieces of floating plastic. Eight million metric tons of plastics make their way into the ocean each year, hitching a ride on the currents and reaching the furthest corners of our seas — even turning up in the Antarctic wilderness. Simply put, the world’s oceans are becoming a toxic soup of plastic and other debris, and all life is being negatively affected.
Unfortunately, plastic doesn’t biodegrade — though it does eventually photodegrade (i.e., break down into smaller fragments by exposure to the sun). Photodegradation of plastic continues to the molecular level, yet photodegraded plastic remains a polymer. No matter how minute the pieces, they will always be plastic. Unlike naturally based paper or glass, they are not absorbed into or changed by natural processes — plastic never truly goes away.
Explanation:
This is a really good article I found, hope it helps
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The Ring of Fire is a horseshoe-shaped belt, in the region of much of the Pacific Ocean where many volcanic eruptions and earthquakes occur.
Explanation:
https://www.britannica.com/place/Ring-of-Fire
