The landscape in which limestone is eroded to form deep valleys and cavers are called Karst landscape or karst topography. This kind of development start occuring whenever the acidic water starts breaking down the bedrocks near the cracks. As the bedrock starts breaking down slowly, the cracks start to open up creating bigger holes. with passage of time the holes will become big enough to create an underground drainage system for the surface water to flow and form underneath. If the water is unable to flow out and becomes stagnant, then the Karst will start getting bigger.
That would be C.
Invasive species are brought to a new area by human activities.
White blood cells increase as they are the cells that destroy pathogens
Answer:
The needed options are
A. an uncontrolled experiment
B. intuitive reasoning
C. extrapolation
D. replication
E. exploration
The ANSWER is D. replication
Explanation:
Replication in research means using the same method and methodology in proximity to the original research work.
It helps in bringing, validating and proving the original study is up-to-date. It may be done using the same exact methods in a different cultural settings, location or different research subjects to determine if the original experimental results is up-to-date.