the back bones and the brain bones?? I don't know this
Therapsids is a group of synapsids that includes mammals and their ancestors. Many of the traits today seen as unique to mammals had their origin within early therapsids, including having their four limbs extend vertically beneath the body, as opposed to the sprawling posture of other reptiles<span>. they were everywhere around the world millions of years ago, during the ice age.</span>
hi there
your answer to this is :
“any single identifiable source in the wild is source of pollution. it hurts animals if they eat it,caught in it, or gets cut by it too. Of this pollution from which pollutants are discharged, the toxic waste can really harm the place and cause polltions.
EXAMPLES:
- pipe
- a plastic bottle
- toxic waste
- and more
i hope tis helped out i tried my best
have a great afternoon
FaithRawlins14
