They are energy inefficient
Explanation:
The main reason why we must change away from using incandescent lighting bulbs is because of their energy inefficiency.
- Much of the power consumed is used in producing heat in an incandescent bulb.
- Therefore, they are energy inefficient.
- Energy saving bulbs produces less heat and they are more durable.
- Most energy saving bulbs are typically more expensive.
- Most incandescent bulbs are also not environmentally friendly.
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Electric bulb brainly.com/question/10421964
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Answer:
Negative
Explanation:
If the box is heading right in the positive direction, the work will be negative. The spring has an opposite force to that of the box.
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A valve is a flap of tissue that prevents blood from flowing back
Comparative investigation is a research method that makes comparison across different countries of the world. Limitation : data set in different countries may be defined differently. Benefit : the method is flexible.
Human are eurkaryotic. Eukaryotes are organisms that have cells with a nucleus. Prokayotes are cells without a nucleus. Protists are eukaryotic but they are usually single cellular. Also, human are not fungus. Fungus cannot move and have to get food from its surrounding area.
