Has a skateboard. your gonna have to give more details the. that just one .
Answer:
they help us allocate a particular place in case one needs to allocate or find a place or something
A. An electron has far less mass than either a proton or neutron.
Answer: Copper and oxygen
Explanation:
Copper and oxygen shares the ionic bond. As we know that ionic bond is the most strongest bond. Here is the order:
Hydrogen bond< Metallic bond< Ionic bond.
That means order in terms of increasing bond strength is :
Hydrogen and hydrogen< Copper and copper< Copper and oxygen.