Not rounded:
0.005% of 100 = 0.005
Rounded to maximum 2 decimals:
0.005% of 100 ≈ 0.01
0.004% of 100 = ? ... 0.006% of 100 = ?
1% of 100 = ?
Answer:
because it can cause you severe reaction that could kill you
Hémoglobin =other name for blood
Its autotrophs, they are the first level of the food pyrimid