Quiz on Ancient Rainfall and Its Impact

How long did the prolonged period of rain last according to Dr. Ruffell?

• 500,000 years

• 1 million years

• 2 million years

• 3 million years

What geological event does Dr. Ruffell believe may have triggered the long period of rain?

• Earthquakes

• Meteor impacts

• Massive volcanic eruptions

• Glacial movements

Where did Dr. Ruffell and his team conduct their research?

• Himalayas

• Andes Mountains

• Rocky Mountains

• Eastern Alps

What did the unusual layers in ancient rock indicate?

• A period of drought

• The formation of Pangea

• A significant rise in temperature

• A prolonged wet period

Which of the following modern fauna did Dr. Ruffell mention as possibly originating from this wet period?

• Amphibians

• Birds

• Mammals

• Insects

What climatic condition does Dr. Ruffell associate with the prolonged wet period?

• Changes in ocean currents

• Deforestation

• Increased solar activity

• Urbanization

What type of evidence did Dr. Ruffell's team analyze to support their findings?

• Satellite imagery

• Soil composition

• Ice core samples

• Fossil records

Which ancient species did Dr. Ruffell suggest thrived during the wet period?

• Dinosaurs

• Fish

• Early mammals

• Reptiles