Answer:
Oil spill runoff is most likely a source of air pollution
Fish, reptiles, birds, and mammals have very similar embryos with gill slits and tales, but all but fish get rid of the gills as they mature
Answer:
The probabilities of different events can be represented and compared on a line marked from 0 to 1.
Explanation:
A probability scale is a simple way of showing probabilities. For example, if something has a zero chance of happening that means is it will never happen whereas the 0 represents that the event is impossible, where the 1 represents that it is certain. The scale can use whole numbers, fraction, decimals,, percents. etc.