Which scientific investigation does NOT include dependent and independent variables? Group of answer choices:

Investigating the effect of mass on the speed at which an object falls

Testing a model car in a wind tunnel to minimize air flow resistance and maximize fuel economy

Observing and counting birds

Studying the effect of temperature on bacterial reproduction rates

Match the following. match the items in the left column to the items in the right column. 1. foreshocks process used to locate the epicenter of an earthquake 2. magnitude newer magnitude scale that measures the amount of moved (displaced) rock along a fault to determine the strength of an earthquake 3. mercalli intensity scale measure of the total amount of energy released during an earthquake 4. moment magnitude scale areas on active faults where a major earthquake hasn't occurred in a long time 5. richter scale mini-quakes that usually occur before a major earthquake 6. seismic gaps scale that measures the effects or severity of an earthquake 7. triangulation scale of magnitude based on the size of seismic waves produced by an earthquake

15 points come and ! which characteristic describes all bacteria? a rod-shaped b microscopic c multicellular d autotrophic

Photosynthesis converts light energy to chemical energy. which molecules are the end product of this transformation of energy in this reaction?