Please help me to identity the kind of quantitative research

Will mark brainliest ! the two parking space configurations you'll see in garages and parking lots are a. low-angle and high-angle spaces b. high-angle and boxed spaces c. straight-in spaces and angle spaces d. left-angle spaces and herringbone spaces

Which soil horizon, also known as the zone of accumulation, is enriched in clay, iron oxides, silica, carbonate, and other materials?

Which activity is an economic activity