An added risk of going to mars is that there is a lot of radiation in space that can damage tissues. we aren't sure what will happen after long term exposure to that radiation. true false

true

Explanation:

But radiation—high-energy electrons and protons, gamma rays, and X-rays—poses an immense threat to human health, too, especially on long space voyages. Short-term exposure to radiation can cause nausea and decreased blood counts. In the long term, exposure can cause cancer, cataracts, and death. And children whom astronauts conceive after flying in space may have a larger risk of birth defects.

it's anything that aren't producers and consumers.

explanation:

you've got to be clear on what "this" is

not sure if this what   you'r looking for would be percent composition