Earth's earliest atmosphere lacks Oxygen, the gas necessary for life because it is a requirement for aerobic respiration.Oxygen does so many things for our body but It is the only respiration human body cells are capable of. Oxygen is needed for multiple reasons. It nourishes cells, allows the chemical transportation, helps toxins and waste material to break down and it supports and provides energy to our metabolism.
If where students sit in a classroom affects their grades, where students sit is best described as a variable, which in statistics corresponds to a value that takes on a certain characteristic in a survey.
<h3 /><h3>Dependent and independent variables</h3>
These are concepts used in experimental scientific research, when there is a relationship between two variables.
Therefore, the independent variable is one that is not influenced by the occurrence of another variable. The dependent variable is variable according to the manipulation of the independent variable.
Find out more information about independent variable here:
brainly.com/question/82796
Answer:
Case study.
Explanation:
A case study is simply research method that entails of a detailed account that contains useful information of a sad person or group in an organisation or a place. In a making a swift or correct case study, some steps and correct facts are needed to be known without mincing words which include, having a set number of people, knowing the person that is been researched on totally, tangible evidences etc. A formal research method is been carried out in the cause of a case study which are seen easily in formal research venues, as professional conferences, and journals rather than in popular works.
An extremely negative attitude
Answer:
Spelling.
Explanation:
It's really about language and the evolution of tongues, but when I say tongues, I mean dialects, since they both mean the same thing: Praise God.