It is the spinal cord that does it.
Answer:
Receta de cocina. Lavadora a máquina.
Mezclador. Refrigerador de microondas. Ordenador
Televisión. Tableta. Célula. Impresora.
I think it would be B study of soil fertility
Description: Soil fertility refers to the ability of soil to sustain agricultural plant growth, i.e. to provide plant habitat and result in sustained and consistent yields of high quality.
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Answer:b) The air at high altitudes are less dense, so its harder to breathe.
Explanation:
AS altitude increases, the air pressure drops. This reduces the amount of gas molecules in the air so the air becomes less dense compared to air closer to sea level.