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A car will topple over when it is tilted so far that the line of action from the centre of gravity falls outside of the wheel base, causing a resultant moment around the side being tilted. Extending the b...

There should be five peaks. In the process of bombarding the Br2 molecule with electrons to charge it, the molecule can fragment into 2 Br atoms. We should therefore expect to see peaks at 79 and 81 m/z. ...

Prophase, metaphase, anaphase, and telophase.

This is a typical A-level Spanish question which requires the candidate to use the past tense.

An antibody is a chemical released during an infection by lymphocytes that attach to specific antigens.