Answer:
680
Explanation:
When the P680 special pair of photosystem II absorbs energy, it enters an excited (high-energy) state. Excited P680 is a good electron donor and can transfer its excited electron to the primary electron acceptor, pheophytin.
A. Because it has the largest land
Answer: Humans changed a lot of things during time and one of those things ended up being the Carbon cycle .. They changed it by burning fossil fuels , which releases Carbon Dioxide into the atmosphere ..The nitrogen cycle however starts with nitrogen gas in the atmosphere then goes through the nitrogen cycle fixing Microorganisims to plants , then animals , decomposers then finally into the soil .
Explanation: Everything goes through a certain process to end up in the soil.
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B, cooling and solidification of magma.
Answer:
The correct answer is presbycusis.
Explanation:
As we grow older and imperceptibly, human beings gradually lose their ability to hear. This process is called presbycusis.
It is a condition that<u> occurs normally as we get older and usually affects both ears equally.
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To this day, no method has been developed to prevent this.
There are many reasons why you can suffer presbycusis, although the most common is caused for the changes generated in the inner ear.
Losing an auditory part is quite uncomfortable since it affects us in all the activities we do every day.