How many points are sustainable sites? SITES certification is based on a point system: the number of points that a project earns determines the certification level it receives….SITES Rating System. Certification Level Points SITES Certified 70-84 points earned SITES Silver 85-99 points earned SITES Gold 100-134 points earned What is meant by sustainable sites? The […]
What is the effect of HCl on the pH of water?
What is the effect of HCl on the pH of water? A molecule of hydrochloric acid, for example, is composed of a hydrogen atom and a chlorine atom. When these molecules dissolve into water, they separate into a positively charged hydrogen ion and a negatively charged chlorine ion. This leads to an increased concentration of […]
Is radioactive decay bad?
Is radioactive decay bad? Radiation can either kill cells or damage the DNA within them, which damages their ability to reproduce and can eventually lead to cancer. When radiation is present, high energy particles pass through your body. These can collide with atoms in your body and disrupt atomic structure. What is a decay constant […]
What is another name for non-renewable resources?
What is another name for non-renewable resources? A non-renewable resource (also called a finite resource) is a natural resource that cannot be readily replaced by natural means at a pace quick enough to keep up with consumption. An example is carbon-based fossil fuel. The original organic matter, with the aid of heat and pressure, becomes […]
Is forced hot air unhealthy?
Is forced hot air unhealthy? The biggest downside of using a forced air heating system is that it leaves you vulnerable to inefficiency stemming from ductwork problems. If your ductwork is well-designed, expertly installed, and kept in prime condition, then you’ll be able to heat your home quite efficiently. Is forced air heating cheaper? Other […]
Who was the first dog on earth?
Who was the first dog on earth? Bonn-Oberkassel dog Who first brought dogs to America? Origins. The Earliest evidence for dogs in the Americas can be found in Danger Cave, Utah, a site dated between 9,000 and 10,000 years BP (Before Present) Dogs descended from Eurasian Grey Wolves and were brought to the Americas by […]
What happens to kinetic energy when velocity decreases?
What happens to kinetic energy when velocity decreases? Decreases in mass cause decreases in kinetic energy due to the aforementioned positive relationship between the two. In the case of a decrease in mass and velocity, kinetic energy must decrease because both of the determining factors decreased. Does kinetic energy increase velocity? It turns out that […]
Why is it important to exercise your cardiovascular and cardiorespiratory systems?
Why is it important to exercise your cardiovascular and cardiorespiratory systems? Improving cardiovascular fitness can reduce your risk of developing heart disease by increasing the efficiency of your heart, lungs, and blood vessels. The easier it is to pump blood through your body, the less taxing it is on your heart. How can you improve […]
Is strontium positive or negative?
Is strontium positive or negative? Positive and Negative Ions: Cations and Anions Family Element Strontium Strontium cation Barium Barium cation IB Silver IIB Zinc What is the correct formula for phosphorus pentachloride? Cl₅P What is phosphorus Pentabromide formula? PBr5 How do you use phosphorus pentachloride? Uses of Phosphorus Pentachloride – PCl Used as a catalyst […]
What are the 3 major layers of the geosphere?
What are the 3 major layers of the geosphere? The Earth’s geosphere is divided into three chemical sections: The crust, composed almost entirely of light elements, like silicon. The mantle, which is 68% of the Earth’s mass. The core, the innermost layer; it is composed of very dense elements, such as nickel and iron. What […]