What force causes the universe to expand? gravity The energy from the Big Bang drove the universe’s early expansion. Since then, gravity and dark energy have engaged in a cosmic tug of war. Gravity pulls galaxies closer together; dark energy pushes them apart. Whether the universe is expanding or contracting depends on which force dominates, […]
What makes a mousetrap car move?
What makes a mousetrap car move? The mousetrap storespotential energyin the form of the spring. That potential energy is converted into kinetic energy in the form of the arm rotating forward. The arm pulls on the wound-up string, which turns the drive wheel dowel, which is connected to the wheels, which makes the car drive […]
What does being Ostracised do to a person?
What does being Ostracised do to a person? In some people who have been ostracized, they become less helpful and more aggressive to others in general. They also may feel an increase in anger and sadness. “Long-term ostracism can result in alienation, depression, helplessness, and feelings of unworthiness.” What is being Ostracised? Ostracism is a […]
Where does the reaction take place in enzymes?
Where does the reaction take place in enzymes? The part of the enzyme where the substrate binds is called the active site (since that’s where the catalytic “action” happens). A substrate enters the active site of the enzyme. What is the region of an enzyme? In biology, the active site is the region of an […]
What structure contains blood with the highest oxygen concentration?
What structure contains blood with the highest oxygen concentration? The pulmonary veins have the greatest concentration of oxygenation, because they bring oxygenated blood from the lungs to the left atrium. They are the only veins that carry oxygenated blood. Blood in the pulmonary arteries is deoxygenated and travels from the right ventricle to the lungs […]
What are the problem of teeth?
What are the problem of teeth? It could be cavities, worn tooth enamel or fillings, gum disease, fractured teeth, or exposed roots. Once your dentist figures out the problem, you might need a filling, a root canal, or treatment of your gums to replace tissue lost at the root. What is the most common teeth […]
When did Ruger change their logo?
When did Ruger change their logo? Paying homage to his fallen business partner, Bill Ruger changed the color of the eagle logo from red to black. It wasn’t until 1999 and the celebration of the Ruger Standard’s 50th anniversary that the logo would return to red. What is the brand Ruger? Sturm, Ruger Sturm, Ruger […]
Is Mean Girls 2 linked to Mean Girls?
Is Mean Girls 2 linked to Mean Girls? Mean Girls 2 is a 2011 American teen television film directed by Melanie Mayron. It is a stand-alone sequel/spin-off to the 2004 film Mean Girls. Where can I watch Mean Girls Part 2? Currently you are able to watch “Mean Girls 2” streaming on Netflix. It is […]
What is meant by healthy eating?
What is meant by healthy eating? What is healthy eating? Healthy eating means eating a variety of foods so that your child gets the nutrients (such as protein, carbohydrate, fat, vitamins, and minerals) he or she needs for normal growth. If your child regularly eats a wide variety of basic foods, he or she will […]
What does plankton do for humans?
What does plankton do for humans? From the food we eat to the air we breathe, plankton help produce and sustain all life on Earth. But increasing greenhouse gas emissions and the acidification of our oceans pose a huge threat to these vital creatures, leading to dire consequences for life in the water and on […]