Development of calf muscles in ladies who wear high heels is a common example of:
A. Natural Selection B. inheritance of acquired character C. Use and disuse of organ D. Artificial selection
A. Natural Selection B. inheritance of acquired character C. Use and disuse of organ D. Artificial selection
A. Nitrogen B. Hydrogen C. Helium D. Oxygen
A. Bacteria B. Virus C. Fungi D. Viroid
A. 16 B. 12 C. 22 D. 20
A. White B. Yellow C. Shell D. None of these
A. Parameter B. Sample C. Statistic D. Population
A. Lungs B. Blood C. Disorder of the Joints D. Liver
A. Uranus B. Jupiter C. Venus D. Mercury Uranus: the first planet discovered with a telescope.
A. Nitrogen B. Hydrogen C. Nickle D. Oxygen But here on Earth, nitrogen is a fairly inert gas at room temperature and is the most abundant element in Earth’s atmosphere.
A. Ozone B. carbon dioxide C. Sulfur dioxide D. None of these