Answer:
The Great Oxidation Event (GOE), sometimes also called the Great Oxygenation Event, Oxygen Catastrophe, Oxygen Crisis, Oxygen Holocaust, or Oxygen Revolution, was a time period when the Earth's atmosphere and the shallow ocean experienced a rise in oxygen, approximately 2.4 billion years ago (2.4 Ga) to 2.1–2.0 Ga during the Paleoproterozoic era.
Explanation:
Please mark as brainliest please
Answer:
D
Explanation:
smelling is not a physical change we can see that melting and cutting are physical changes
Wind and erosion overtime
Which country has coastlines along both the Caribbean Sea and the Pacific Ocean?
Columbia
<u>Answer:</u>
<em>Energy is left behind the food chain starting with one trophic level then onto the next. </em>
In any case, just around 10 percent of the complete energy put away in living beings at one trophic level is really moved to <em>living beings at the following trophic level. </em>
The remainder of the energy is utilized for metabolic procedures or lost to nature as warmth. Energy that isn't utilized in a <em>biological system</em> is in the end lost as warmth.
<em>Energy and supplements are gone around through the food chain, when one creature eats another life form.</em>
