Answer:
Crossing over is essential for the normal segregation of chromosomes during meiosis.
Explanation:
Parkinson's disease is a deficiency of the neurotransmitter dopamine. Dopamine is responsible for how the brain deals with stress, especially the fight-or-flight response. Thus, it affects greatly on the movements of the body. Also, dopamine is responsible for information processing. That is why people with Parkinson's disease have trouble in retaining their memories or be in deep concentration.
The study of population is useful because you can see how popular sections of your country or even the world are. You can see where the most dense parts of Cities and countries are to see what kinds of regulations you might have to put in place for say, worldwide pandemics such as the Coco-19 pandemic. It's also useful because you can see why certain area are more popular than others. reaons might include things like mining towns drawing in people from around that area etc etc. The study of population might also be useful if you're trying to establish a busniess and want to start it in a place you know it'ss be successful, such as a higher populated town near you.
The study of population can also be refered t as population demographics or demography.
Answer:
a headache and feeling dizzy
Explanation:
Answer:
not entirely certain but a possible answer could be "trephination"
Explanation:
people used to cut holes in people's heads to relieve them from mental illness. also called skull drilling.
