scientists often consider a volcano to be active only if it is showing signs of unrest (i.e. unusual earthquake activity or significant new gas emissions) that mean it is about to erupt.
One part is the effect of the gravitational forces between and among the planets
Answer:
b. Eliminate any assumptions.
Explanation:
The steps use in the forecasting process:
There are 7 steps in the forecasting.
1. Identify the usage of the forecast
2. Pick the items that needed to be forecast
3. choose the time horizon of the forecast
4. Decide the model of forecasting
5. collect the data needed to make the forecast
6. construct the forecast
7. Validate the forecasting mode and apply the results.
Therefore answer is b.
Answer:
It blocks UV rays from the sun
Explanation:
The formation of the ozone layer contributes to the blocking of the harmful UV rays of the sun. Usually these rays would be extremely harmful to organisms and while they cant be seen they change the chemical structure of molecules