Oxygen, carbon, and hydrogen.
The largest volcano is Mauna Loa in Hawaii
The embryonic stage lasts approximately 4 week(s), beginning at conception. Details about stages of development can be found below.
<h3>What are the stages of development?</h3>
The stages of development of a human is summarized into four stages as follows:
- Embryonic stage
- Germinal stage
- Fetal stage
In the embryonic stage of development, which occurs after conception, the baby is called an embryo. Embryonic stage lasts 4 weeks.
During the embryonic stage, the cells of the embryo (called embryonic stem cells) multiply and develop. They become the hundreds of different types of cells needed to make a whole human body.
Learn more about embryonic stage at: brainly.com/question/14233911
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