Amylase works best at a neutral pH of 7. Where in your body are there enzymes which work best at an acidic or low ph?

Athermometer is placed in water in order to measure the water’s temperature. what would cause the liquid in the thermometer to rise?

Recent research by marine biologists suggests that bottlenose dolphins have names for themselves. scientists played sounds they had identified as the names of particular dolphins, putting them through a synthesizer so that they did not sound like the voices of particular dolphins. the researchers found that dolphins would respond to the names of other dolphins that they were related to or associated with, but they ignored the names of strangers. this discovery suggests a much greater degree of self-awareness in aquatic mammals than was previously suspected. if this research holds up, what does it suggest about dolphins?

Which type of stimulus do mechanoreceptors detect? sound pain heat light