What is the electromagnetic spectrum simple definition? Electromagnetic spectrum, the entire distribution of electromagnetic radiation according to frequency or wavelength. The electromagnetic spectrum comprises the span of all electromagnetic radiation and consists of many subranges, commonly referred to as portions, such as visible light or ultraviolet radiation. What is the electromagnetic spectrum and why is […]
Is neon shiny or dull?
Is neon shiny or dull? Element Luster Malleability Neon Colorless Not able to be stretched Silicon Dull, metallic Brittle, shatters when shaped Sulfur Dull Cannot be stretched Manganese Shiny Can be hammered into thin sheets Is helium bad for? The more pure helium you inhale, the longer your body is without crucial oxygen. Breathing in […]
How many bodies are in our solar system?
How many bodies are in our solar system? Our solar system is made up of a star, eight planets and countless smaller bodies such as dwarf planets, asteroids and comets. How did the solar system form step by step? Formation. Our solar system formed about 4.5 billion years ago from a dense cloud of interstellar […]
Where does salt we eat come from?
Where does salt we eat come from? Nutrition and healthy eating Sea salt is produced through evaporation of ocean water or water from saltwater lakes, usually with little processing. Depending on the water source, this leaves behind certain trace minerals and elements. What if we ran out of minerals? Minerals make up most of what […]
Is plane mirror have focus?
Is plane mirror have focus? Answer. A plane mirror can be considered as a spherical mirror of infinite radius. Also its focal length (half of radius) is infinity and the focus is located at infinity. Is the focal length of a plane mirror infinite? The focal length of a plane mirror is infinity as the […]
What were the first hominins?
What were the first hominins? australopithecines What four characteristics define a hominin? Some characteristics that have distinguished hominins from other primates, living and extinct, are their erect posture, bipedal locomotion, larger brains, and behavioral characteristics such as specialized tool use and, in some cases, communication through language. What are 5 types of hominids? In this […]
What is the difference between a supersaturated solution and a saturated solution?
What is the difference between a supersaturated solution and a saturated solution? A saturated solution contains the maximum amount of solute that will dissolve at that temperature. Any further addition of solute will result in undissolved solid on the bottom of the container. A supersaturated solution contains more than the maximum amount of solute that […]
What are two things that might affect an ecosystem?
What are two things that might affect an ecosystem? Wind, rain, predation and earthquakes are all examples of natural processes which impact an ecosystem. Humans also affect ecosystems by reducing habitat, over-hunting, broadcasting pesticides or fertilizers, and other influences. What can disrupt an ecosystem? Disruptions to Ecosystems Wildfires. Fire is a common disruption to ecosystems […]
How much elastic potential energy is stored in the spring?
What are the forces that enable a pendulum bob to swing?
What are the forces that enable a pendulum bob to swing? In pendulum motion, ​three forces work directly on the pendulum​: the mass of the bob, gravity and the tension in the string. Mass and gravity both work vertically downward. Does the pendulum tell the truth? Like muscle testing, your body itself is its own […]