If we create a fuel cell of oxygen gas, what can we get when we combine?

Ais a mountain created from eruptions of lava, ash, rocks, and hot gases.

The diagram below shows the movement of particles. what does this piece of evidence best support? the collision theory the maxwell-boltzmann distribution the effect of pressure on reaction rates the effect of temperature on reaction rates

#20 which type of bond is formed when bases pair in dna? ionic bond covalent bond coordinate bond hydrogen bond