What is the cause of seafloor spreading? Seafloor spreading occurs at divergent plate boundaries. As tectonic plates slowly move away from each other, heat from the mantle’s convection currents makes the crust more plastic and less dense. The less-dense material rises, often forming a mountain or elevated area of the seafloor. Which boundary is seafloor […]
Are there slaves in America today?
Are there slaves in America today? Prevalence. The Global Slavery Index 2018 estimates that on any given day in 2016 there were 403,000 people living in conditions of modern slavery in the United States, a prevalence of 1.3 victims of modern slavery for every thousand in the country. When did Africa ban slavery? In January […]
How do you read a vernier scale?
How do you read a vernier scale? Follow these steps to read the vernier scale: Read the main scale. Look for the last whole increment visible before the 0 (zero) mark. Read the secondary scale (Vernier) measurement. This is the division tick mark that lines up best with a mark on the main scale. Add […]
What type of radiation has the greatest penetrating power?
What type of radiation has the greatest penetrating power? Gamma rays How can you protect yourself from radiation? Staying inside will reduce your exposure to radiation. Close windows and doors. Take a shower or wipe exposed parts of your body with a damp cloth. Drink bottled water and eat food in sealed containers. How long […]
Is High Altitude good for your lungs?
Is High Altitude good for your lungs? If you have COPD and enjoy traveling, then you might already know that high altitude can make COPD symptoms worse. At higher elevations, your body needs to work harder to take in the same amount of oxygen as it does at elevations closer to sea level. This strains […]
What do molecules and atoms have in common?
What do molecules and atoms have in common? An atom is composed of subatomic particles (electron, neutron and proton), a nucleus and electron cloud. Electrons are negatively charged particles that reside in an electron cloud that revolves around the central nucleus. A molecule is composed of two or more atoms that are held together by […]
Does Down syndrome run in family?
Does Down syndrome run in family? Does Down Syndrome Run in Families? All 3 types of Down syndrome are genetic conditions (relating to the genes), but only 1% of all cases of Down syndrome have a hereditary component (passed from parent to child through the genes). Heredity is not a factor in trisomy 21 (nondisjunction) […]
What is a good scientific model?
What is a good scientific model? What Makes a Good Scientific Model? A good model is: based on reliable observations. able to explain the characteristics of the observations used to formulate it. Which type of scientific model did the students design? Which type of scientific model did the students design? An infographic because the images […]
What will a doctor prescribe for bronchitis?
What will a doctor prescribe for bronchitis? Doxycycline and amoxicillin are a couple examples of antibiotics used to treat bronchitis. Macrolide antibiotics such as azithromycin are used for less common cases of bronchitis caused by pertussis (whooping cough). Does mucinex help with bronchitis? Although keeping hydrated helps remove secretions into the bronchi, other treatments (for […]
How do I stop my hot air from rising?
How do I stop my hot air from rising? What Causes The Problem? Hot Air. Keep in mind, that heat rises. Hot Roof. Ductwork, Insulation and Seals. Redirect airflow to the second floor. Change filters. Insulate and ventilate the attic. Insulate windows. Change the fan setting on your thermostat from “auto” to “on” Does cold […]