A) Chemical reactions B) Nuclear fusion C) Nuclear fission D) Photosynthesis
A) Radiometric dating of rocks and meteorites B) Analysis of cloud patterns C) Oral traditions passed down through generations D) Palm reading
A) 500 million years ago B) About 4.6 billion years ago C) 10,000 years ago D) 1 billion years ago
A) Stratosphere B) Troposphere C) Photosphere D) Exosphere
A) Outer core B) Mantle C) Inner core D) Crust
A) Big Bang theory B) Steady State theory C) Nebular hypothesis D) Ptolemaic model
A) Volcanic activity B) Tidal forces C) Radioactive decay D) Solar radiation
A) Helium B) Oxygen C) Carbon D) Hydrogen
A) Outer core B) Mantle C) Inner core D) Crust |