This is actually an earth science question. What is the exact elevation of each point?

he forelimbs below belong to four species that descended in a direct line from the ancestral mammal shown above. of the four descendants shown, which species most likely appeared earliest in evolutionary history?

airlines i think? or a cruise boat? does this work out for u? ?

it's diluted or concentrated

in a diluted solution, you can add a lot more solute but in concentrated only a little more can be added