Answer:
Protons + neutrons
Explanation:
Atomic mass is the group of masses of protons and neutrons in the nucleus of that atom
Answer:
Over half the neurons of the brain are in a structure that constitutes only 10 percent of the brain’s total mass this structure is the cerebellum.
Explanation:
More than 50% of the brain's overall neurons are found in the cerebellum, although making up just about 10% of the brain's entire volume. The cerebellum has traditionally been thought to be a motor structure since cerebellar injury affects the position and motor function, as well as the bulk of the cerebellum's outputs, go to the motor neurons. The cerebellum does not originate motor orders; instead, it changes descending paths' control signals to improve the adaptability and precision of movements. Moreover, the cerebellum is responsible for many functions in the body including movements, vision, and balance, etc.
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Fossil record of the first possible bipeds is the evidence exists that state humans are evolved in Africa. Modern humans arose in Africa at least 250,000 to 300,000 years ago, fossils and DNA are the evidence that reveals. Scientists have been unable to pinpoint a more specific homeland because the earliest Homo sapiens fossils are found all across Africa.
Humans first evolved in Africa, and much of human evolution occurred on that continent. The fossils of early humans who lived between 6 and 2 million years ago come entirely from Africa. Most scientists currently recognize some 15 to 20 different species of early humans found from Africa.
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Answer:
A creates the fluid in semen
