What is the formula for oxygen? O₂ Is oxygen a mixture? *Note: pure oxygen gas consists of molecules but it is still considered an element, rather than a compound, as the molecules are made up of a single type of element….Pure Substances. Pure Substance Element or Compound? Consists of: Ammonia (NH3) compound ammonia molecules Is […]
How do you prevent Colorado potato beetles?
How do you prevent Colorado potato beetles? There are several plants that deter potato beetles. Try planting at least one or two of them alongside or even interplanted with your potatoes. A few good options include catnip, tansy, and sage. What is the life cycle of the Colorado potato beetle? The life cycle of the […]
Is it safe to use a microwave that has peeling paint inside?
Is it safe to use a microwave that has peeling paint inside? If the coating is actively flaking or paint is peeling anywhere inside the oven cavity (including under the turntable) discontinue the use of the microwave and replace it. The microwave is not repairable. The inadvertent ingestion of small amounts of peeling coating does […]
What are the two types of kinetic friction?
What are the two types of kinetic friction? In general, the friction is of the following two types: (1) Static friction. It is the friction, experienced by a body, when at rest. (2) Dynamic friction. It is the friction, experienced by a body, when in motion. (a) Sliding friction. (b) Rolling friction. (c) Pivot friction. […]
What is Arcsin equal to?
What are the principles of disaster management?
What are the principles of disaster management? The ethical principles applied during disasters: (i) Humanitarian assistance; (ii) Information and participation during disasters; (iii) Compulsory evacuation of populations; (iv) Respect of dignity; (v) Respect of persons; (vi) Emergency assistance for the most vulnerable persons; (vii) The importance of rescue … What are the importance of disaster […]
What is heat What are the various sources of heat?
What is heat What are the various sources of heat? The heat energy which is obtained from earth is called geothermal energy. It can be found in hot water and rocks present underground. Heat is also found in the form of molten rocks and magma, deep inside the Earth’s crust. Air is also an important […]
Why are fossils so important?
Why are fossils so important? Fossils of any kind are useful in “reading the rock record,” meaning they help us decipher the history of the earth. They can help us determine the geologic age and environment (the paleoenvironment) in which they were deposited. What are the five types of fossils? Five different types of fossils […]
Who invented the lever?
Who invented the lever? Archimedes What is a class 1 lever? In a Class One Lever, the Fulcrum is located between the Load and the Force. The closer the Load is to the Fulcrum, the easier it is to lift (increased mechanical advantage). Examples include see-saws, crow bars, hammer claws, scissors, pliers, and boat oars. […]