Answer:
about 525 billion sperm cells
Explanation:
In fact, the average male will produce roughly 525 billion sperm cells over a lifetime and shed at least one billion of them per month. A healthy adult male can release between 40 million and 1.2 billion sperm cells in a single ejaculation.
Humans can make a difference but carbon is everywhere. This generation has the largest carbon footprint yet.
This is because iron is used to make a protein called hemoglobin. This protein helps blood cells carry oxygen around the body.
Answer:
introducing a statement or idea which reverses one that has just been made or referred to.
Explanation:
Absorbing other cells gave a competitive advantage.
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