Try and do the trick very SLOWLY, what happens to the stack? What happens to the bottom coin? Why do you think this happens?

The covalent compound acetylene, which is the fuel of the oxyacetylene torch used by welders, has the molecular formula c2h2. the covalent compound benzene, a commercial solvent, has the molecular formula c6h6 each of these covalent compounds contains carbon and hydrogen atoms in a one-to-one ratio. would it be correct to write the chemical formulas of each as ch? explain.

Iwould appreciate if someone could me.

Which organism develops breathing organism develops breathing organs from pharyngeal arches? shark, spider, sea star, sea horse