Beriberi is a disease caused by the deficiency of which vitamin?
What disease is caused by the bacteria Mycobacterium leprae?
The leaves of which plant are the main ingredient of absinthe?
Basil | Mint | Wormwood | Sage
What is the name for the bending of light as it passes through a surface?
Approximately how much of the Earth's surface is covered by water?
90% | 30% | 70% | 50%
According to superstition a lucky clover has how many leaves?
The disease malaria is transmitted by the bite of what insect?
What are the pores on leaves called?
What is the term for the current ongoing extinction event caused by human activity?
The Permian Extinction | The Silurian Extinction | The Jurassic Extinction | The Holocene Extinction
