What is climate change?, An increase in Earth’s temperature over time., Reusing materials to reduce waste., What is recycling?, An increase in Earth’s temperature over time., Reusing materials to reduce waste., What is pollution?, An increase in Earth’s temperature over time., Harmful substances in the environment., What is a flood?, A long period without rain., Too much water covering land., What is a drought?, Too much water covering land., A long period without rain., What is conservation?, Reusing materials to reduce waste., Protecting nature and natural resources., What is the formula for the area of a rectangle?, Area = Length × Width, Area = Base × Height ÷ 2, What is the formula for the area of a triangle?, Mean = Sum of values ÷ Number of values, Area = Base × Height ÷ 2, What does “average” mean?, The result when all numbers are added and divided by the amount of numbers., The result when all numbers are added, What is the formula for the mean (average)?, Area = Length × Width, Mean = Sum of values ÷ Number of values, Find the average rainfall: 40, 55, 60, 45, 50, 40, A rectangle has a length of 8 m and a width of 5 m. What is the area?, 25m², 40 m²
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