Answer:
the last 3 options are correct
please mark me brainliest!
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.
Our health is crucial when it comes to the environment. The environment can affect our health through physical, internal, and chemical factors. For example, if the environment is extremely polluted, us humans would get sick easily and there would be many birth defects.
<span>USA: Osteoporosis and low bone mass are currently estimated to be a major public health threat for almost 44 million U.S. women and men aged 50 and older. I hope this is correct.</span>
