Explanation:
observation is something what you could observe from your organs like eyes ears etc and also it is what you observed during an event for an experiment but inference is what you decide to do after observation or an event.
the act of inferring (to derive by reasoning). Observation = an act or instance of noticing or perceiving.
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The pressure law states that for a constant volume of gas in a sealed container the temperature of the gas is directly proportional to its pressure. This can be easily understood by visualising the particles of gas in the container moving with a greater energy when the temperature is increased.
Work = (force) x (distance)
Work = (22 N) x (16 m)
<em>Work = 352 Joules</em>
The second, fourth, and seventh answers apply. Energy in a closed system is conserved, but it can change form
The correct answers are:
- It slowed microbial growth in food.
- It allowed people to store a few days of food in their homes.
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