Fact 1: Radioactive dating is used to determine the age of fossils. Fact 2: Radioactive isotopes are commonly used for dating . Given the two facts above, answer the question "what is used to determine the age of fossils?" with the following options: - Conifers - Sediment - calcite - skull - loose soil - cracking - exoskeleton - isotopes
isotopes
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Fact 1: Adelta is formed by deposition of sediment at the mouth of a river by water fanning out. Fact 2: Delta Greek symbol, looks like a triangle. Given the two facts above, answer the question "The deposition of sediment at the mouth of a river by water fanning out is called by what name?" with the following options: - unidirectional - Sediment - Calcium carbonate - patch reefs - A Greek letter - barrel-shaped - swamp vegetation - flooding
A Greek letter
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Fact 1: Crossing two living things with recessive traits causes their offspring to have that recessive trait. Fact 2: Albinism in humans is inherited as a simple recessive trait. Given the two facts above, answer the question "The offspring of two humans with albinism are always" with the following options: - fertile - haploid - similar - albino - short - near-sighted - retarded - unique
albino
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Fact 1: Cells are the basic units of the structure and function of living things. Fact 2: An organism is a living thing. Given the two facts above, answer the question "Cells are the basic units of the structure and function of what?" with the following options: - animals - Most plants - humans - organisms - cell walls - rock - cell membranes - mammals
organisms
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