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.
Answer: I think it’s C
Explanation: sorry if I’m wrong
Answer:
heat 100ml and 300 ml of water and record the temperature when boiling occurs
I think the answer is how much money has been spent to fight the diseases caused by the mosquitos
It will work in saliva of animals
