Biểu diễn trong mặt phẳng dọc các loại lực tác dụng lên oto có hai cầu chủ động đang giảm tốc xuống dốc

Which scenario is least likely to occur in a market economy? a) the government pays farmers to stop planting certain crops for a period of time. b) the government stops a factory from producing imitations of an expensive type of purse. c) the government offers tax breaks to companies that meet efficiency goals in their products. d) the government allows only two competitors to offer goods for sale on the country's highways.

What property does soil or rock need to be permeable? a.)young b.)old c.)non porous d.)porosity

Which of the following properties of a soil sample most influences the flow of water through the sample a. colorb. fertilityc. permeability d. phe. salinity