Do tomarrow morning
what are 5 index fossils, and the period they are index fossils for

Calico Scallop|| TIME PERIOD: Quaternary Period

Viviparus Glacialis TIME PERIOD: Early Pleistocene

Scaphites TIME PERIOD: Cretaceous Period

Inoceramus TIME PERIOD Cretaceous Period

Leptodus TIME PERIOD Permian Period

You're welcome for giving you all these index fossils and the period they are index fossils for.

in theory, limestone is composed principally of the compound calcium carbonate - caco3, but in reality this compound is deposited in conditions involving a number of other compounds as impurities so it ends up being a mixture of many compounds.

hope this : -)

tony (lordcaos066)

the atomic number will stay the same no matter how many electrons it has, so it doesn’t decrease nor increase. it’ll only change with a different number of protons