Answer:
Hydrogen and Cobalt
Explanation:
Break up each individual element
- Hope that helps! Please let me know if you need further explanation.
Because the compounds<span> that make up </span>air<span> e.g. oxygen (o2), Carbon dioxide (co2) and water is a compound because the composition of water is fixed, H2 and 02 react to form water. </span>
Answer:
The new findings support the theory that walking first arose underwater, preceding the move onto land and the development of toes and limbs adapted to land perambulation.
Answer:
in my view physical change
Explanation:
it is just my view don't mind.
might be wrong
London dispersion is present, as we can see C3H5(OH)3 is very branched, when a molecule is branched it has a low boiling point due to how compact the surface area is compare to C3H7OH which has a large surface area (in this molecule there is only on branch)