Rapid cooling can be caused when the atmosphere has too much oxygen in it.
The correct answer is - a. having differences.
The term heterogeneous is a term used to describe something that is different, that is not the same, or that there's multiple different things. This term can be used for various different things, including human societies, geography, biodiversity, etc.
In the human society, heterogeneous, is used as term when there's societies where multiple different ethnic groups live in a same area, or different racial groups, it may also be used in a manner of representation of the sexes in a particular filed or job, even the architecture and the infrastructure.
You didn’t give any options but i’m assuming it’s “oxygen”
Most people work in the tertiary sector.
<span>Most people work in the tertiary sector is false because in developing economies most people work in the primary sector or in the secondary sector. the tertiary sector is about services, which are connected to a form of economy that is already developed. In this case, it is rare that people from developing countries work in the tertiary sector.</span>