What does the human embryo share with ancestors from 300 million years ago

the answer is b)3/8x+1

frogs. the lower the ph the higher the acid content. frogs have the highest tolerance in this scenario.

the potatoes have high sugar concentrations and although these potatoes were different we could seethe effects that their sugar concentrations had in different environments. for example, the potatoes in sample a, were placed in pure water. this created a hypertonic environment and caused the potatoes to draw in water from its surroundings. we saw the opposite happen with the potatoes in sample b when placed in the sodium chloride solution. the potatoes in this case were in a hypotonic solution and therefore lost water to their surroundings.