Answer:It’s the independent variable
Explanation:Watering the plant doesn’t rely upon other variables it itself is the variable making it independent
Answer: Deforestation is a Major limiting factor for trees in forest.
Explanation:
Other then deforestation there are many related factors such as; due to deforestation there is lack of rainfall and in return less rainfall results in plant shrinkage due to lack of water.
Because you cannot test it or observe it.
A scientific theory are created through the scientific method, in the scientific method you need to be able observe it and experiment.
Gene mutations can be passed on to future generations and drive natural selection. ... Gene mutations can be helpful, harmful, or neutral for an organism's survival. Only mutations that are helpful in the organism's environment would influence its survival and reproduction