Answer:
In a nutshell, weather is the atmospheric conditions for a short period of time. Climate is the atmospheric conditions over a long period of time.
A group of individuals of the same species that interact will find a mate and cross breed and produce a stronger species to survive they're environment. per Darwin's law..
When you aren't showering as regularly, your skin can become oily and salty leading to blemishes and breakouts. Although your skin can get all sweaty during the day anyway, not bathing means these bacteria are not being thoroughly removed or cleaned.
On that for the defintions if you just go back to the first section they normally have all the definitions in the reading part
The correct answer is Oxygen.
The surface of the Earth was liquefied. As the Earth cooled, an atmosphere generated primarily from gases erupted from volcanoes. It constituted methane, hydrogen sulfide, and ten to 200 times as much as carbon dioxide in comparison to today's atmosphere.
It was considered that there was an extreme volcanic activity for the initial billion years of the existence of the Earth. The initial atmosphere was possibly majority carbon dioxide will no or little concentration of oxygen. There were slight quantities of ammonia, water vapor, and methane.
