Answer:
There are many examples of fossils found on separate continents and nowhere else, suggesting the continents were once joined. If Continental Drift had not occurred, the alternative explanations would be: The species evolved independently on separate continents – contradicting Darwin's theory of evolution.
They changed over time by finding the right ingredients such as iron, metal, or steel to forge different creations. They took so slowly because no one was discovered the things to make stone tools.
Answer:
The engineers of ancient Rome designed and constructed many projects to serve the needs of an urban and an imperial nation. With their use of the semicircular arch, the barrel vault, and hydraulic cement, they transformed architecture and construction in the ancient world. The results were impressive in scale and practicality and influential in their shaping of a timeless architectural style.
Explanation:
