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In this order because I said so and I have done it before and 20 words
Answer:
Oil
Explanation:
Since, unlike oil, source like wind, solar, water etc. come naturally we don't and can't replace them but when the viscosity in oil has been used up it must be change to allow the proper functioning of the machine.
Answer:
barter trade
Explanation:
because you exchange goods
Answer:
Explanation:
Proteins are important because they give you ability to fix broken bone or to grow.
Advantages of asexual reproduction:
- There is no need for a mate/ only one parent is required
- It takes less time compared to sexual reproduction
Disadvantages of asexual reproduction:
- There is little genetic variation/less diverse population
- Offspring cannot adapt to change
Advantages of sexual reproduction:
- Genetic diversity
- Offspring can adapt to change
Disadvantages of sexual reproduction:
- Two parents are needed
- Slow reproduction compared to asexual reproduction
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