The correct answers would be A, and D
It means a new stage or a new chapter of a process!
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The volume of STP will be 0.03 plss mark me brainliest
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the 1st and 4th one. index fossils r imprints and also it is individual animals making the print so it is unique
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When two or more atoms are chemically joined together, this is called a molecule. In some cases, such as hydrogen and oxygen, the molecule is made entirely of the same atom, such as hydrogen gas (a molecule) is made entirely of two hydrogen atoms. Here, converting molecules to atoms is as simple as dividing by two.
Atoms can join together - they form bonds together - to make MOLECULES. For example, two atoms of hydrogen hook together to form a molecule of hydrogen