The answer to your question is mass.
The correct answer is: b. corticospinal pathway
The corticospinal pathway is a motor pathway that starts at the cerebral cortex and terminates on lower motor neurons and interneurons in the spinal cord. Its function is to control the movements of the limbs, directly and voluntary.
A mid-ocean ridge is an underwater mountain system formed by plate tectonics. It consists of various mountains linked in chains, typically having a valley known as a rift running along its spine.
Answer:
I don't know the exact word they want, but organisms use energy for motion and any activity they perform regularly. (eg: hunting, climbing, digging, etc.)
Answer:
El umbral de audición es la intensidad mínima de sonido capaz de impresionar el oído humano. Aunque no siempre este umbral sea el mismo para todas las frecuencias que es capaz de percibir el oído humano, es el nivel mínimo de un sonido para que logre ser percibido.
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