What sphere or spheres does burning fossil fuels harm? Humans can have major impacts on all the spheres. Negative impacts, such as burning fossil fuels, pollute the atmosphere. Piling up our waste in landfills affects the geosphere. Pumping waste into the oceans harms the hydrosphere. Which of the spheres interact in the formation of coal? […]

How would you test a mineral to find out what it is? Geologists use the following tests to distinguish minerals and the rocks they make: hardness, color, streak, luster, cleavage and chemical reaction. A scratch test developed by a German mineralogist Fredriech Mohs in 1822 is used to determine mineral hardness. What type of substance […]

How does the Kirby-Bauer assay measure the susceptibility of an antibiotic? In Kirby-Bauer testing, bacteria are placed on a plate of solid growth medium and wafers of antibiotics (white disks, shown) are added to the plate. Therefore, the more sensitive the bacteria are to a given antibiotic, the larger the clear bacteria-free zone that forms […]

What happens prolonged starvation? Circulating ketone body concentrations rise during prolonged starvation. During starvation, most tissues utilise fatty acids and/or ketone bodies to spare glucose for the brain. Glucose utilisation by the brain is decreased during prolonged starvation as the brain utilises ketone bodies as the major fuel. What happens to your muscles during prolonged […]

When determining the correct size oral airway You should measure from the? Select the proper size airway by measuring from the tip of the patient’s earlobe to the tip of the patient’s nose. The diameter of the airway should be the largest that will fit. To determine this, select the size that approximates the diameter […]

What is the purpose of business continuity planning? Business continuity planning (BCP) enables organizations to resume business operations with minimal downtime, saving them resources in their response to what can often be a serious business interruption. What is a business continuity plan quizlet? What is a business continuity plan? An approved set of advanced arrangements […]

What types of movements are demonstrated by your arms and legs when you perform jumping jacks in physical education class describe these movements? Abduction and adduction are antagonistic actions performed during jumping jacks. Abduction is moving a limb away from the midline of the body. When you jump and move your arms and legs away, […]

How does the sun affect life on Earth? The sun has extremely important influences on our planet: It drives weather, ocean currents, seasons, and climate, and makes plant life possible through photosynthesis. Without the sun’s heat and light, life on Earth would not exist. What does Sun sickness feel like? Even though sun poisoning isn’t […]

What makes something soluble in water? Positive is attracted to negative, making a cohesive structure. When polar compounds or ions are added to water, they break up into smaller components, or dissolve, to become part of the solution. The water’s partial charges attract different parts of the compound, making them soluble in water. How can […]

What are the representative groups of the periodic table? The representative elements occur in groups 1, 2, and 12–18. These elements are representative metals, metalloids, and nonmetals. What are the 4 main groups on the periodic table? Definitions of groups, periods, alkali metals, alkaline earth metals, halogens, and noble gases. Why are Group A elements […]