Answer:
1.
Explanation:
Atomic mass is protons+neutrons. Atomic number is just protons.
Descending tracts are the pathways by which motor
signals are pass through from the brain to lower motor neurones. Thus, all
the neurones within the descending motor system are classed as upper motor
neurones. The lower motor neurones then directly innervate muscles to produce
movement. Their cell bodies are found in the cerebral cortex or the brain stem,
with their axons remaining within the CNS.
The correct answer is animal waste and fertilizers
Explanation:
Mitochondria are cell organelles that are found in all human body cells except mature red blood cells. These organelles with a double membrane are the location in which cellular respiration occurs.
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Answer:
Scientists connect soil development to the following factors: parent material, climate, biota (organisms), topography, and time.
