How did the Pure Food and Drug Act affect society? The Pure Food and Drug Act of 1906 prohibited the sale of misbranded or adulterated food and drugs in interstate commerce and laid a foundation for the nation’s first consumer protection agency, the Food and Drug Administration (FDA). The Pure Food and Drug Act regulated […]
Is volume and temperature directly proportional?
Is volume and temperature directly proportional? The volume of a given gas sample is directly proportional to its absolute temperature at constant pressure (Charles’s law). The volume of a given amount of gas is inversely proportional to its pressure when temperature is held constant (Boyle’s law). Does pressure affect temperature? In a closed system where […]
How many levels of reality are there for Plato?
How many levels of reality are there for Plato? Plato believed that there were four levels or approaches to knowledge and genuine understanding. They are illustrated in the REPUBLIC in the allegory of the cave and in the divided line. What are Plato’s two levels of reality? The divided line is a visual metaphor for […]
What do you think is the reason why humans are ethnocentric?
What do you think is the reason why humans are ethnocentric? In short, when we react to or judge the behavior of someone else, we are performing an essential function for the survival of our culture and society. Thus, being ethnocentric is human nature. It is only when you’re dealing with people who come from […]
How do you calculate the saturated vapor pressure of water?
How do you calculate the saturated vapor pressure of water? Moisture comes in several forms for materials exposed outdoors: humidity, condensation (dew), and rain. Relative humidity (RH) is the ratio of the ambient vapor pressure of water to the saturation water vapor pressure: RH=pw/ps. How do you calculate saturated pressure? Take the temperature of the […]
What are the major source?
What are the major source? – The term “major source” means any stationary source or group of stationary sources located within a contiguous area and under common control that emits or has the potential to emit considering controls, in the aggregate, 10 tons per year or more of any hazardous air pollutant or 25 tons […]
Why do Acids burn?
Why do Acids burn? An acid is a substance that separates readily into charged hydrogen ions (H+). These charged ions undergo catalytic reactions named amide/ester hydrolysis, that eventually cause the destruction of proteins and lipids in biological tissue, and therefore the chemical burn. What acid can burn through anything? A common corrosive acid is hydrochloric […]
What is the safest vehicle on the road?
What is the safest vehicle on the road? These are the safest new cars, trucks, SUVs of 2021, according to Insurance Institute for Highway Safety Midsize car. Midsize luxury cars. Large car. Small SUVs. Chevrolet Equinox. Midsize SUVs. Ford Edge. Midsize luxury SUVs. Lexus RX. Large SUV. Audi Q8. Large pickup. Ram 1500 crew cab […]
Why is fertilizer dangerous?
Why is fertilizer dangerous? To grow, plants require nitrogen compounds from the soil, which can be produced naturally or be provided by fertilizers. However, applying excessive amounts of fertilizer leads to the release of harmful greenhouse gases into the atmosphere and the eutrophication of our waterways. What is the environmental impact of chemical fertilizers? Some […]
Why is being precise important?
Why is being precise important? Precision in scientific investigations is important in order to ensure we are getting the correct results. Since we typically use models or samples to represent something much bigger, small errors may be magnified into large errors during the experiment. Precision is also important in order to ensure our safety. What […]