Answer:
Autoimmune theory
Explanation:
Alzheimer's disease is the most common type of neurocognitive disorder, which usually occurs after the age of sixty-five and is characterized mainly by memory impairment.
The autoimmune theory suggests that <u>the immune system is prearranged so that it becomes unable to identify the body's proteins from foreign ones</u>. As a result, the immune system attacks its own cells.
Explanation:
A.chloroplast has chlorophyll trapping sunlight used to build.....
Answer: I think the 3rd one
Explanation:
It’s small and fits the requirements.
Can you give anymore information?
The doppler effect is when sound travels away from a moving object, the frequency can be different depending on the location at which you recieve the sound.
I hope that helps