Answer:
From the Silurain to Devonian period
Explanation:
Diversification of fish began during the Silurian period continued during the Devonian Period. The lobe-finned fishes first appeared during the Silurian.
Clearcutting has several negative impacts on both human and environment.
Many studies showed that clearcutting method will cause nearly three times the amount of erosion due to higher risk of landslides.
This will potentially very dangerous for human and the environment around Canada
hope this helps
Answer: B. It is useful for navigation.
Explanation:
The Mercator is a famous map projections that was created by Geradus Mercator who was a Flemish geographer in 1569.
The Mercator is used for nautical purposes and is regarded as the standard map projection due to the fact that the lines of true direction can be represented on it and hence useful for navigation.
