A heterogeneous mixture composes of non- uniform components, so the concrete would be the answer, because you can tell the components from one another.
The group of plants that is most successful would probably be Angiosperms! They're also known as flowering plants or anthophytes.
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Answer:
Option A, keystone species
Explanation:
Keystone species are responsible for controlling any species from becoming dominant over all other species. The keystone species are found at the top of all the energy pyramids and food chains.
They control the explosion of population of prey and hence regulate the overall ecological diversity.
Some common example of keystone species is as follows –
Bison, prairie dog, large mammalian predators,
Hence, option A is correct
He helped Cleopatra take back Egypt
