Answer: A) France Explanation: The American noncommissioned officer tradition began with creation of the Continental Army in 1775 at the beginning of the American Revolution. They adopted NCO traditions from French NCO.

Answer: A) Frequency Explanation: Megahertz is used to measure wave frequencies, as well as the speed of microprocessors. One MHz represents one million cycles per second. The speed of microprocessors, called the clock speed.

Answer: D) nutrients and other life-sustaining molecules are in limited supply and must be continually recycled Explanation: Biogeochemical cycles are crucial to ecosystem function because ::   1. Chemical elements are available in only limited amounts and must be recycled. 2. Nutrients and other life-sustaining molecules are in limited supply and must be continually recycled.

Answer: A) Missing a credit card payment. Explanation: Missing a credit card payment can increase your credit card's APR.   APR means Annual Percentage Rate.

Answer: A) Chattisgarh Explanation: Chattisgarh State government has granted permission for the installation of a Geothermal Power Plant at Tattapani area of the Balrampur district to the NTPC and it is the first geothermal power plant in India.

Answer: C) Mitochondria Explanation: Cellular respiration is the multi-step process that creates energy from nutrients and food molecules. It begins in the cytoplasm of the cell, with the mitochondria functioning as the main organelle where the rest of the process continues and finishes. During respiration, glycolysis occurs in the cytoplasm of the cell.

Answer: B) serving as the interface between the other spheres Explanation: The geosphere is the earth's solid rock or rigid outer layer known as the crust. Without the geosphere it would not be possible for humans to live on the planet. The function of the geosphere serving as the interface between the other spheres.

Answer: A) a nonpolar molecule with polar bonds Explanation: The four bonds of carbon tetrachloride (CCl4) are polar, but the molecule is nonpolar because the bond polarity is cancelled by the symmetric tetrahedral shape. Hence, making the net dipole as zero and molecule as non-polar.   When other atoms substitute for some of the Cl atoms, the symmetry is broken and the molecule becomes polar.