Which pair of resources is renewable? Renewable resources include solar energy, wind, falling water, the heat of the earth (geothermal), plant materials (biomass), waves, ocean currents, temperature differences in the oceans and the energy of the tides. What are the importance of renewable resources? THE IMPORTANCE OF RENEWABLE ENERGY They differ from fossil fuels principally […]
What are the two essential conditions for work done by a force acting on an object?
What are the two essential conditions for work done by a force acting on an object? For work to be done, it is essential that some force is applied to the object and the object displaces from its initial position. If these two conditions are satisfied, then the work is done. So, work done= force […]
What common properties do Solutions have?
What common properties do Solutions have? Characteristics A solution is a homogeneous mixture of two or more substances. The particles of solute in a solution cannot be seen by the naked eye. A solution does not allow beams of light to scatter. A solution is stable. The solute from a solution cannot be separated by […]
What are hair cells covered by?
What are hair cells covered by? human equilibrium Each has an organ containing hair cells similar to those of the organ of Corti. The utricle and saccule each contain a macula, an organ consisting of a patch of hair cells covered by a gelatinous membrane containing particles of calcium carbonate, called otoliths. Does hair grow […]
Is active or passive transport faster?
Is active or passive transport faster? Active transport is a rapid process. Passive transport is a comparatively slow process. What are the 4 methods of passive transport? The rate of passive transport depends on the permeability of the cell membrane, which, in turn, depends on the organization and characteristics of the membrane lipids and proteins. […]
What describes something in nature without attempting to explain it?
What describes something in nature without attempting to explain it? Unlike a theory, a scientific law describes an observed pattern in nature without attempting to explain it. A hypothesis is a possible explanation for a set of observations or answer to a scientific question. What do we call a description of how something works in […]
What 3 places on earth do convection currents occur?
What 3 places on earth do convection currents occur? Convection currents occur within: the atmosphere – wind. the hydrosphere – ocean currents. How convection takes place in the mantle? The mantle is heated from below (the core), and in areas that are hotter it rises upwards (it is buoyant), whereas in areas that are cooler […]
What does it mean when a ambulance lights are on but no siren?
Can you please look into it?
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 […]