Answer the following question given this paragraph: Sometimes large numbers of species go extinct in a short amount of time. This is a mass extinction . The causes of different mass extinctions are different: collisions with comets or asteroids, massive volcanic eruptions, or rapidly changing climate are all possible causes of some of these disasters ( Figure below ). Q: What term is used to describe large numbers of species that go extinct in a short amount of time? Choices: - formation extinction - organic extinction - species extinction - mass extinction A:
mass extinction

Answer the following question given this paragraph: Types of radiation that cause cancer include ultraviolet (UV) radiation and radon. UV radiation is part of sunlight. It is the leading cause of skin cancer. Radon is a naturally occurring radioactive gas that escapes from underground rocks. It may seep into the basements of buildings. It can cause lung cancer. Q: Types of radiation that cause cancer include ultraviolet (uv) radiation and what? Choices: - thermal - molecular - vibrational - radon A:
radon

Answer the following question given this paragraph: Q: What type of plants supplement their mineral nutrition by digesting animals? Choices: - perennials - annuals - herbivorous - carnivorous A:
carnivorous