I believe it’s carbon dioxide, because you use your respiratory system to breathe in oxygen, and oxygen goes through your circulatory system. And you breathe out CO2.
Nearly 20 million.
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Answer:
There's more than one type of development, please explain. But if you mean the zygote development, then : when the egg cell and the sperm cell connect to each other , a fertilized egg is formed, known as a zygote. It changes place from the oviduct to the uterus and it start to develop from a zygote to a fuetus, to an embryo. Youre welcome
Answer:
theory of mind
Explanation:
Theory of mind is a popular term from the field of psychology as an assessment of an individual human's degree of capacity for empathy and understanding of others.
