Why did US not join League of Nations? The League of Nations was established at the end of World War I as an international peacekeeping organization. Although US President Woodrow Wilson was an enthusiastic proponent of the League, the United States did not officially join the League of Nations due to opposition from isolationists in […]
What are 5 examples of physical activity?
What are 5 examples of physical activity? Some examples of physical activity are: Going for a walk, bike, or run (join our indoor walking program). Doing household chores. Taking the stairs instead of the elevator. Playing at the park. Raking leaves or shovelling snow. What are the examples of moderate physical activity? Examples of moderate […]
What is blue light and why is it bad?
What is blue light and why is it bad? Continued exposure to blue light over time could damage retinal cells and cause vision problems such as age-related macular degeneration. It can also contribute to cataracts, eye cancer and growths on the clear covering over the white part of the eye. What does blue light symbolize? […]
What is a Sharks sixth sense called?
What is a Sharks sixth sense called? A Shark’s Sixth Sense around their head called ampullae of Lorenzini. These are jelly filled pores that go down to the nerve receptors at the base of the dermis. They are specialized electroreceptor organs that allow the shark to sense electromagnetic fields and temperature changes in the water […]
What is a Type D fire?
What is a Type D fire? Class D. Class D fires involve combustible metals, such as magnesium, titanium, and sodium. Extinguishers with a D rating are designed to extinguish fires involving combustible metals. Note: Common extinguishing agents may react with a combustible metal fire causing the severity of the fire to increase. What is a […]
Do astronomers use chemistry?
Do astronomers use chemistry? By comparing astronomical observations with laboratory measurements, astrochemists can infer the elemental abundances, chemical composition, and temperatures of stars and interstellar clouds. Do you need chemistry for astronomy? Astronomy is a unique subject because it deals with such a vast mixture of topics – the very reason why many people find […]
Are rocks stronger under tension or compression?
Are rocks stronger under tension or compression? Rock is strong under compression but relatively weak under tension and shear. This is a result of the microscopic structure of rock: it contains microscopic cracks which are forced open and enlarged by tension and shear but which are forced closed by compression. What increases rock strength? The […]
What is the function of science and technology in development?
What is the function of science and technology in development? The role of S is to lead national development and to support socio-economic needs. The priority areas that have been identified are: – Development of electronics, information, and communication technologies. – Development of selected high technologies to lead the industrial structure adjustment. Is there a […]
What chemicals are needed for muscle contraction?
What chemicals are needed for muscle contraction? In order to perform the mechanical work of contraction, actin and myosin utilize the chemical energy of the molecule adenosine triphosphate (ATP). What are two ways that calcium is needed for muscle contraction to occur be specific? (1) Calcium binds to troponin C, causing the conformational shift in […]
What is special about summer solstice?
What is special about summer solstice? The day that the Earth’s North Pole is tilted closest to the sun is called the summer solstice. This is the longest day (most daylight hours) of the year for people living in the northern hemisphere. It is also the day that the Sun reaches its highest point in […]