Explain how human activities are changing the environment globally with serious consequences

If the world keeps going on how it going all of the polar ice caps will melt leading to a world wide flood.

If a hydrogen atom is neutral, it must also have  one electron. an oxygen atom (o) has an atomic number of eight (8). this means a neutral oxygen atom has eight protons and eight electrons. the element actium (ac) has an atomic number of 89, so it has 89 protons and 89 electrons in a neutral atom