Answer:
The early Earth was very different from our Earth today.
Explanation:
Earth's first atmosphere had lots of water vapor but had almost no oxygen. Later, frequent volcanic eruptions put several different gases into the air (Figure 12.13). These gases created a new type of atmosphere for Earth.
Answer:
DNA or protein sequences of shared genes.
Explanation:
i hope this help
Answer: Yes, many plant cells have both mitochondria and chloroplasts!
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Answer:
the reaction, dehydration synthesis im pretty sure
