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The turning effect of a force is the effect that makes an object rotate or turn around a fixed point when a force is applied.
why?
Because when a force is applied away from a fixed point, it doesn’t just push the object—it also makes it rotate around that point.
Here’s why:
The part of the object closer to the fixed point (pivot) stays almost still.
The part where the force is applied tries to move.
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energy resources are things that give us energy
everything needs energy
solar energy comes from the sun
wind energy comes from moving air
hydro energy comes from flowing water
biomass energy comes from plants wood and animal waste
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Law of Demand & Price Elasticity of Demand (PED)
The Law of Demand says that when the price increases, people usually buy less of that product.
But how much less they buy depends on how sensitive or responsive they are to price changes.
PED shows how much demand changes when the price changes.
Price Inelastic Demand → Demand changes a little when price changes.Example: Rice, petrol, toothpaste – people still need them even if prices rise.
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Structural adaptations are physical features or body parts of an animal that help it survive, hunt, protect itself, or reproduce in its environment. These features are inborn (not learned) and are passed down from generation to generation.
Animals evolve these structures over time to fit their surroundings — for example, animals in the desert need ways to save water, while those in cold places need ways to stay warm.
Desert animals live where water is scarce and temperatures are extreme.Examples:
Camel: Has a hump that stores fat (used for energy when food is limited), long eyelashes and closing nostrils to keep out sand, and broad feet to walk easily on sand.
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conservation means taking care of earths natural things
there are 2 types of conservation renewable resource conservation and non renewable resource conservation
renewable resource conservation means protecting things that can grow back
non renewable resource conservation means saving things that cannot come back easily
conservation is important for life on earth
we need conservation so things dont run out
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Electricity is the movement of tiny particles called electrons, which can create power for things like lights and phones.
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i did khan academy and did you know 317225 - 199114 =118111
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Adaptation is the process where a living organism becomes better suited to its environment to survive and reproduce. Think of it as a helpful feature that an organism has developed over time.
A characteristic or trait that increases an organism's chances of survival and successful reproduction in its specific habitat.
It results from natural selection acting on variations within a species over many generations.
Species: A group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding.
Examples:
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Viruses come in many shapes and structures.
Each virus has a core of genetic material — either RNA or DNA — surrounded by a protein coat.
They do not have:
Nucleus
Cytoplasm
Cell organelles
