that means the it can not be undone because another substance was introduced
the variable..
freezing point
Simply a chemical bond
an amendment an amendment
It is the way air canges
CARS IN THE PAST-wheels were very thin, flimsy-cars were very ugly, not sleek-cars were made by handCARS IN THE PRESENT-cars are manufactured by machines-wheels are thick, sturdy-cars have totally different, new-age designs
Physically, a mixture. Chemically, a compound.
does she seat OR WHAT
jhelum
Combinations between ANY chemical are called chemical bonds. This is not something specific to one single chemical.
It changes chemically.
Atoms that chemically combine form a molecule.