Answer:
Option-B
Explanation:
The brain is an organ composed of neurons which controls all the voluntary and involuntary of animals. In humans, the brain is located in the skull where the brain is suspended in a fluid called cerebrospinal fluid.
As humans ages and becomes old aged, the neurons in the brain losing their ability to perform their function, if they are lost they cannot be regenerated.
The lesions appear on the white matter of the brain and the brain shrink. Due to these known and other unknown features, the process controlled by these neurons become inadequate and shows slower brain processing and weak memory.
Thus, Option-B is the correct answer.
The answer is A because they need the sunlight to go through the water
Landslides cause property damage injury and death and adversely affect a variety of resources
Trichomoniasis is caused by a protozoan parasite that causes a mal/odorous frothy yellow to green discharge, itching (pruritus), and burning.
<h3>What is Trichomoniasis?</h3>
Trichomoniasis is a disease caused by a parasite whose symptoms are hugely variable among different persons.
Trichomoniasis is caused by the protozoan <em>Trichomonas vaginalis</em>, which infects suitable human hosts.
Trichomoniasis is a serious-mid disease and it must be treated properly in medical settings.
Learn more about Trichomoniasis here:
brainly.com/question/3129990