Aprocedure in which two neutral stimuli are paired, after which one is repeatedly paired with the unconditioned stimulus. if the other stimulus is then presented alone, it may elicit a conditioned response even though it was never paired with the unconditioned stimulus: a. sensory preconditioning b. simultaneous conditioning c. backward conditioning d. trace conditioning

it means

miss jennifer is buying pencils in packs of 12, notebooks in packs of 16, and red pens in boxes of 20. she needs to have the same number of pencils, notebooks, and red pens. how many packs of each type should she buy?

answer mine : )

1. loamy sand is about 80% sand with 10% clay and defined mostly by sand particles with some clay to provide structure and fertility. the sand particles are easily visible and the soil holds structure but breaks apart easily.

2. scott sand can improve his soil quality by incorporating more silt and organic matter into the soil. peat moss and organic matter can also be incorporated.