What is the most common compound? Glossary Compound Formula Abundance percent by weight Silicon dioxide SiO2 42.86% Magnesium oxide MgO 35.07% Ferrous oxide FeO 8.97% Aluminum oxide Al2O3 6.99% How do you know the difference between a compound and mixture? Compound:a substance that is made up of more than one type of atom bonded together. […]
Can crying and stress affect unborn baby?
Can crying and stress affect unborn baby? Can crying and depression affect an unborn baby? Having an occasional crying spell isn’t likely to harm your unborn baby. More severe depression during pregnancy, however, could possibly have a negative impact on your pregnancy. What does cortisol do to a fetus? “The stress hormone cortisol may be […]
What are the three main parts of a blueprint?
What are the three main parts of a blueprint? Blueprints are documents that contain three major elements: the drawing, dimensions, and notes. The drawing illustrates the views of the part necessary to show its features. Together, the extension and dimension lines on the drawing indicate dimensions and specific tolerance information of each feature. What does […]
Why do we only have one tide a day?
What does constant velocity look like?
What does constant velocity look like? Motion with Constant Velocity: When an object is moving with constant velocity, it does not change direction nor speed and therefore is represented as a straight line when graphed as distance over time. Given a graph as in, we can calculate the velocity from the change in distance over […]
How can we protect our rivers?
How can we protect our rivers? Always segregate your household garbage into biodegradable and non-biodegradable waste. Volunteer with NGOs and community groups that are working to save and protect our rivers from pollution. In this way, you will be able to learn more and can easily volunteer for the projects that are dedicated to restoring […]
What is the best example of biological contamination food handlers?
What is the best example of biological contamination food handlers? a.a wedding ring that falls off of a food worker’s finger and into the salad dish. b.a can of pesticide is sprayed over the food prep area currently in-use. How do you kill pathogenic bacteria in food? Instead, rapidly reheat to 74°C (165°F) (and hold […]
Which location has the greatest number of hours of daylight?
Which location has the greatest number of hours of daylight? According to records from weather stations across the US, Yuma in Arizona is the sunniest place in the world. During daylight hours, which range from 11 hours in winter to 13 in summer, it has a 90% possibility of sunshine. What angle does the sun […]
Why does cooling rate affect crystal size?
Why does cooling rate affect crystal size? As the rate of cooling increases, crystal size decreases. This means that something which cools very quickly will have smaller crystal formations, and something which cools slowly will have larger crystal formations. This is easily seen in igneous rock, which may cool at variable rates. What factors affect […]
How long can you live with ischemic heart disease?
How long can you live with ischemic heart disease? On average, women live longer than men with heart disease. At age 50 women can expect to live 7.9 years and men 6.7 years with heart disease. The average woman experiences heart disease onset three years older and heart attacks 4.4 years older than men. Can […]