What is the best geometric shape? Triangles Whats stronger circle or triangle? The answer is the triangle, because of the way it distributes pressure. I’m assuming you’re referring to an equilateral triangle? The circle ie the strongest shape because it maintains constantly pressure , There is no inherent leverage as all points are at a […]
What social and emotional changes are associated with puberty?
What social and emotional changes are associated with puberty? During puberty your child’s emotions may become stronger and more intense. Their mood might change more frequently, quickly and randomly. Your child may have strong emotions that they’ve never experienced before. It’s common for them to feel confused, scared or angry and not know why. Why […]
Does smoking change sperm DNA?
Does smoking change sperm DNA? How does smoking affect sperm? Men who smoke have decreased sperm concentration, decreased motility (how sperm swim), fewer normally shaped sperm, and increased sperm DNA damage. Do cigarettes alter your DNA? While we’ve long known that smoking is linked to cancer, this new research allows scientists to quantify the molecular […]
Is jumping jacks a ballistic stretching?
Is jumping jacks a ballistic stretching? Jumping Jacks are a dynamic stretch that hits nearly every major muscle group and elevates your heart rate. Like jumping rope, Jumping Jacks are a plyometric movement that primes your body for explosive training. Is passive stretching good? Passive stretching can improve flexibility, range of motion, and mobility. It […]
What is another name for a push or a pull?
How does burning fossil fuels cause air pollution?
How does burning fossil fuels cause air pollution? When fossil fuels are burned, they release nitrogen oxides into the atmosphere, which contribute to the formation of smog and acid rain. Major sources of nitrogen oxide emissions include: Cars and trucks. Coal-fired power plants. What are the biggest contributors to pollution? Human activities are responsible for […]
How heat energy is transformed into another form?
How heat energy is transformed into another form? In a thermal power station, heat energy converted into electrical energy. Sun gives light so light energy is converted into solar energy this is also one type of heat energy because heat energy is converted into solar energy. What can heat be transformed into? Thermoelectric materials can […]
Is Tungsten poisonous?
Is Tungsten poisonous? Tungsten has been the subject of numerous in vivo experimental and in vitro studies in view of determining its metabolic and toxicity profile. However, tungsten and its compounds are not considered very toxic for humans. Most existing human toxicology information comes from chronic occupational exposure. Is tungsten carbide toxic to humans? * […]
Does oxygen have a fixed shape?
Does oxygen have a fixed shape? The state that a given substance exhibits is also a physical property. Some substances exist as gases at room temperature (oxygen and carbon dioxide), while others, like water and mercury metal, exist as liquids. (a) Solid O2 has a fixed volume and shape, and the molecules are packed tightly […]
Can you solve physics problems?
Can you solve physics problems? Multiply and divide the quantities until the units match the units of the answer quantity. For example, if you’re trying to find Potential Energy (kg*m2/s2) and you have the height (m), mass (kg) and gravitational acceleration (m/s2), you can match the units by multiplying the three quantities (m*kg*m/s2=kg*m2/s2). How do […]