Answer:
A. Methane gas from agriculture Pollution.
Explanation:
Methane gas is a great contributor to the global warming. It effects the green house of the earth and ozone layer is deteriorated. Grand father mountains are located in the North Carolina where the Methane gas pollution destroys the trees.
Answer:
C. Cytology is the study of cells, while histology is the study of tissues.
Explanation:
Answer:
i believe the answer is C: hospitalizations
The answer is: A. collecting data
During this process , researchers would use their observational skills and record every notable occurrence that happen to the variables.
The focus on this process is simply to add all relevant data without making any analyzation. That process come later on after the researchers started to change the variables in order to see whether it would create a correlation.
It becomes more alkaline where pH will be more than 8