Which of the following is not an effect of erosion on lakes? A) water leakage B) wearing away of sides C) increased water levels D) decrease in water levels E) gradually filling the basin with sediment

Physical needs include: a. the need for sleep b. the need to feel safe c. the need to feel secure d. all of the above

The torque output of an engine is usually measured in the units of a rpm b bhp c foot pounds d feet per pound

You find a mysterious, dull substance on the ground and pick it up for a closer look. it is powdery, very light, and soft to the touch. the substance is most likely i. an organic mineral ii. a metallic mineral iii. a nonmetallic mineral i only ii only iii only i and ii i and iii