a) Californian tomatoes (3) Electricity required to heat greenhouse to grow 1 ton of tomatoes = 16,000 kWh Emission factor for electricity generated using natural gas = 0.15 kgCO2eq / kWh Distance from farm to store and back = 20 miles One diesel truck can carry 1 ton of tomatoes Emission factor of diesel truck = 0.08 kg CO2eq per mile   Emissions for 1kg of California tomatoes = __________________________________

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Q: When you jog, most of the food energy you burn above your basal metabolic rate (BMR) ends up as…

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!