⟩ When, in the geologic column, did dinosaurs become extinct
1. at the Cretaceous-Tertiary boundary
2. at the Jurassic-Cretaceous boundary
3. at the Triassic-Jurassic boundary
4. at the Permian-Triassic boundary
Answer: 1
1. at the Cretaceous-Tertiary boundary
2. at the Jurassic-Cretaceous boundary
3. at the Triassic-Jurassic boundary
4. at the Permian-Triassic boundary
Answer: 1
How different is the growth according to the biotic potential of a viral population from the growth according to the biotic potential of a bacterial population?
Why waste is considered one of the major environmental issues?
Is pollution always caused by humans?
What is pollution?
What are the main types of waste?
What is the cost-benefit relation regarding sewage treatment as a strategy to fight water pollution?
What is eutrophication?
What is selective waste collection?
What is a biodigester?
What are the environmental harms caused by mercury pollution? What are the main sources of mercury pollution?