Answer:
Before life began on the planet, Earth's atmosphere was largely made up of nitrogen and carbon dioxide gases. After photosynthesizing organisms multiplied on Earth's surface and in the oceans, much of the carbon dioxide was replaced with oxygen.
Explanation:
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Natural gas is a NONRENEWABLE source of energy. All the other ones are renewable.
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Answer:
It is an answer to a scientific question and is based mostly on research.
Explanation:
Mendel five part hypothesis was also known as the law of segregation. This law explain the how traits are inherited in living organisms. Mendel's theory discovered that there are two alleles for a single gene and that one of these alleles is inherited from each parent, which forms the basis of the trait in the progeny(offspring).
Mendel’s hypothesis was considered true after various experiments and analysis and also answer the question of how the different traits are passed on from parent to progeny. This validates it being an answer to a scientific question and it being based mostly on research.
Answer:
Small leaves
Explanation:
These ensure that less water is lost from the plant by transpiration because the leaf has a smaller surface area.
