Which of the following components serves as both a cover for the bottom of the engine block and a reservoir for engine oil? a. front cover b. valve cover c. oil pan d. lubrication retainer

Avariable that is positioned between the independent variable and the dependent variable but does not interact with either to affect the relationship between them is called a variable. select one: a. moderating b. spurious c. mediating d. causal

Free points and brainliest to whoever answers this right! some vehicles, like have different rules for registration and renewal. a. trailers b. coupes c. sedans d. pickup trucks

Afarm grows soybean and produces chickens. the opportunity cost of producing each of these products increases as more of it is produced. draw the? farm's ppf. label it ppf0. the farm adopts a new technology which allows it to use fewer resources to fatten chickens. draw a ppf that illustrates the impact of the new technology. label it ppf1.