An adult male pig's urine contains a chemical substance that accelerates the onset of puberty in female pigs. what is this substance called?

What is i fracture in the crust called when land move up, down or sideways

Analyze how limestone is weathered and identify the features that are formed as a result of this dissolution

When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?