Air must pass from the back to the front of the pharynx to enter the trachea and food must pass from the front to the back of the esophagus
In acid soils you can select the crops that can growth in this conditions (pH 6.0 - 6.5 is slightly acidic, and you can find cultures that can be cropped under this conditions). If soil is acid to highly acidic , in some areas of Northern Spain the use to increase the pH by liming the soil in a gradual / gentle way. You can find different product for liming fron rocks, wastes (from marble industries; animal bones; etc
Answer:
C
Explanation:
Causes and increase in green house gasses such as CO2, N, and similar harmful gases.
Answer:
the hormone that regulates the salt and water levels is aldosterone found on the adrenal gland that sits above the kidney
Explanation:
Answer:facilitated diffusion
Explanation: facilitated diffusion us the carrier-mediated Transport of large molecules across the cell membrane using Transport proteins found in the cell membrane.such molecules include glucose,amino acids and ions.the passage across the membrane is from higher concentration to lower concentration
