Answer:
D
Explanation: it's maintained by physiological processes
Phreatomagmatic eruptions are volcanic eruptions resulting from interaction between magma and water while phreatic eruption is a steam eruption without lava ejection.The eruptions are caused by groundwater flashing to steam as it is heated by magma.
Mid-Ocean Ridges it’s because they are mostly produced near the “ring of fire” cause the ridges are volcanically active!
Answer:
Proximal convoluted tubule
Explanation:
The major work of re-absorption is carried out in nephron by the proximal convoluted tubule (PCT). The PCT re-absorbs all the essential nutrients such as amino acid, potassium, glucose etc. and water driven by passive transfer based on concentration gradient. Along with gradient, pH of the urine also affects the re-absorption. Based on the pH of the urine (basic or acid), re-absorption of ionized acid increases or decreases.