Fredrick Griffith, He did an experiment with virulent and non-virulent strains of pneumonia. He heat killed the virulent strain, making it harmless and then mixed it with the non-virulent strain. When he inoculated mice with the mixture, the mice died, This meant that the non-virulent bacteria had picked up some genetic material from the killed bacteria - they had been transformed.
Answer: Zygote
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<span>about 150 million kilometers
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Answer:
Natural hazards are extreme natural events that can cause loss of life, extreme damage to property and disrupt human activities. ... Other natural hazards, such as tornadoes, can only happen in specific areas. And some hazards need climatic or tectonic conditions to occur, for example tropical storms or volcanic eruptions. Example of natural hazard:weather, volcanic eruption, tsunami, thunderstorm, etc.
Answer:coal is used as a fuel by burning it same with natural gas and oil
Explanation:
