Answer:
burning paper
Explanation:
you can't get the paper back to normal once it's burnt
Answer:According to the new genetic research—when combined with known fossils—the lineage that led to humans, chimps, and gorillas evolved from a common ancestor about 10 million years ago. Humans and chimps then popped off of that lineage some 6 million years ago, according to the new study.
Explanation:
Answer:
a catalyst
Explanation:
Catalyst is a substance that influences the rate of reaction without being consumed in the reaction. They increase the rate of reaction by decreasing the activation energy of the reaction. In biological system, enzymes are referred to as biological catalyst or biocatalyst. They are generally protein in nature and are very specific for their substrate. They also increases the rate of biological reaction by forming enzyme-substrate complex.
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