Leo oliver says 21
Yes, mammals are divided into many sub-groups.
234
Yes. Rockhopper penguins live in groups known as "colonies".
Divided by, is like saying how many groups are there. E.g. 24 divided by 4 = how many groups of 4 are there in 24, so a smaller number would equal more groups to fit into the larger number.
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There are three main groups: Igneous, Sedimentary, and Metamorphic.
they live in groups and some are alone
Yes, large groups actually.
Penguins live in large groups around 1000 to 3000 covering the surface area of 300m squared.
Club Penguin penguins are divided into 2 groups: Members and non-members. The only difference is that members pay with real money, so they can buy many more things, do many more things, wear many more things, and go to many more places.