What happens when the data in an investigation do not support the original hypothesis

The hypothesis is an educated, which is based on the researches done in the past and are well established. The hypothesis is a guess, which is testable. The experiments based on the hypothesis are performed and the data is collected. In case, the data obtained from the experiment does not match the hypothesis then the hypothesis may not be valid, hence, the hypothesis needs a revision in such cases.

1.the evidene of the reaction

2.yes

3.yes

surface mining destroys mountain tops, landscapes, forests and wildlife habitats. on top of that, it leads to soil erosion and destruction of agricultural land. the landscape changes can also disrupt river channels and streams, which leads to flooding. which, can destroy plant life and other animals as well.

explanation: