I would say it is b and c if you can choose more than 1 answer. If not, d.
Explanation:
Parallel evolution -
Its occurs when two species share a common ancestor and evolve a similar trait independent of each other .
Example -
Possums/Australian marsupial mammals are Parallel Evolution . They evolved the marsupial traits independently , but nonetheless share a common ancestor .
Convergent evolution
It occurs when two species without any close common ancestor and evolve a similar trait independent of each other .
Examples -
For instance, birds and bats have very different ancestors indeed. Bats are mammals and bird are not, but both have evolve wings with the capacity for flight .
Boston is an example of a grid city.
Hope this helps you! (:
-Hamilton1757
C is the answer, because the mantle is made up of liquids and liquids are less dense than solids
Answer:
sorry i am not that sure but i hope you well