When a dolphin is born that can hold more oxygen in his lungs then its parents this is a potential survival advantage because

air, water, heat and noise pollution can all be caused by producing and using technology. consuming resources - non-renewable resources, including precious metals like gold, are used to make technology

multiplying and dividing the two decimals and the eqations by the same number of the overalls

i think this picture will you.

not sure what it is