Nitrogen Fixation. Good luck :)
Where organisms are better adapted to their environments tend to survive and produce more kids!
Answer:
c
Explanation:
the RBC first is in the arteries then it reaches the body cells via the capillaries then the deoxygenated rbc reaches the heart through veins which carry those
B.
Asbestos was used in housing for many years because it was cheap to manufacture and was amazingly heat-resistant, but was found to be incredibly dangerous, causing innumerous accounts of lung cancer and related problems.
This is from memory, but I will double check after I answer.