Because they are non renewable sources of energy and they took billions of years to form.
The history of life on Earth began about 3.8 billion years agohumans have been around for a mere 0.004% of the Earth's history
Answer:
I'd say weeks or even months
Explanation:
The effects of a drought on flow in streams and reservoirs may not be noticed,and water levels in wells might not reflect a shortage of rainfall for a year or more after a drought begins.
The tube will be block and then it will get clogged up not letting sperm travel through anymore
