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.
The correct answer is: C)Iceland .
The fissure formed in the Iceland is called Silfra. It is a fissure filled with fresh spring water within lake of National Park in Iceland.
It was formed 40 years ago due to the movements of the tectonic plates. The North American and Eurasian plates, separate at about 2 cm per year, and they tear open fissures in the land between them.
Today, the Earth's axis is tilted 23.5 degrees from the plane of its orbit around the sun.
The best choice is Vascular and Dermal