Biology
What does stomach acid mostly consist of

Acetic Acid
Sulphuric Acid
Hydrochloric Acid
Ascorbic Acid

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Biology
The kidneys are stimulated to produce renin

When the peritubular capillaries are dilated
By a decrease in the blood pressure
When the pH of the urine decreases
When the specific gravity of urine rises above 1.10

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