Answer :There was enough oxygen in the atmosphere to support a major burst of life on Earth
Explanation:
The Great Oxygen Event marks the time, approximately 2.5 billion years ago, when there was enough oxygen in the atmosphere to support a major burst of life on Earth
For the first half of the Earht's history, there was no oxygen in the atmosphere. It was inhabited only by single-celled organisms.Of those simple life forms, the cyanobacteria may have. evolved a way to take energy from sunlight, and used it to make sugars out of water and carbon dioxide. They used the same chemical process we know as photosynthesis. This released vast quantities of oxygen into the atmosphere and triggered the evolution of complex life.
Answer:
I think true. but dont quote me on it.
Explanation: I think true because of the right horn.
Answer:
Pancreatic juice, NaHCO₃.
Explanation:
The buffers are the chemical solution which neutralizes the acidic effect and the human body also produces the biological buffers which help maintain the pH.
The pancreatic juice secreted by the pancreas gets drained into the duodenum of the small intestine and neutralizes the effect of the acidic content in the stomach bolus. The pancreatic juice contains the sodium bicarbonate which neutralises the effect of the HCl.
Thus, Pancreatic juice, NaHCO₃ is the correct answer.
<span>The correct answer is d. the idea that T. rex held its tail aloft was supported by the studies of many scientists. This is how science works, things are discovered by having members of the scientific community do experiments and come to the same conclusion. Many of them confirmed this theory and a concensus was established.</span>
Answer:
The king snakes will be attacked and eaten by predators.
Explanation:
Mimicry can be described as a situation whereby an organism have the ability to imitate or copy one or more traits or character of another organism.
This can be described as a form of camouflage that organism exhibit to avoid been killed by predators, or to deceive other organism, by pretending to be one its species in order to kill it.
In the case, the harmless king snakes was trying to present itself as a harmful snake by mimicking the venomous coral snakes. Therefore, when it found itself where the coral snake are not wanted, it will be killed, because , it will be seen as a coral snake due to the mimicry process.
