During middle age, the ability to hear higher-pitched sounds declines first.
Presbycusis is the aging-hearing loss that occurs as a result of the aging process. It is a slow process that affects botrh ears equally thus difficult to notice, the first signs is the inability to understand speech in noisy environments and high frequency sounds.
Answer:
I would say C
Explanation:
Based on what I can understand it is asking about how cells age and disease. Something like that.
Oxidents result in aging and creating free radicals. Hydrogen peroxide forms in cells to break down old organelles.
Answer- No
No because your skin color doesn’t only how to do with genes, it also has to do with the genes of grandparents great grandparents etc. in addition to the environment, for example if you live in the tropics, you would have more melanin to help not get burned by the sun because of the adaption of constant sunlight.
The high coastal zone presents the greatest abundance of marine organisms.
Where are most marine organisms found?
Most ocean life can be found in coastal habitats on the continental shelf, despite the fact that this area represents only 7% of the total area of the ocean. Most open ocean habitats are found in the deep ocean beyond the continental shelf. Species that live in oceans and along shorelines can help create new habitats.
The intertidal zone, also known as the "littoral zone", refers to the shoreline that is covered at high tide and exposed at low tide, revealing a unique biome that survives in such fluctuating conditions.
To learn more about coastal please click on below link
brainly.com/question/14105067?
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