3. Primary treatment. The wastewater still contains organic solid matter-or human waste. The next stage is to seperate this from the water, and to do this, we put the wastewater into large settlement tanks, which causes the solids to sink to the bottom of the tank. We call these settled solids âsludgeâ.
Between 2004 and 2014, the share of STEM-related bachelor's degrees earned by women decreased in all seven discipline areas: engineering; computer science; earth, atmospheric and ocean sciences; physical sciences; mathematics; biological and agricultural sciences; and social sciences and psychology.
What is STEM. The simplest definition is what it stands for, which is science, technology, engineering, and mathematics. There are many organizations that are dedicated to this topic and they define this with their own objectives. The ultimate goal of STEM education is to encourage students to take an interest in STEM subjects at an early age. This should be beneficial to them when they enter the jobs market, and in turn it should benefit the greater economy.