Answer:
As of 2014, it was often reported in popular media and in the scientific literature that there are about 10 times as many microbial cells in the human body as there are human cells; this figure was based on estimates that the human microbiome includes around 100 trillion bacterial cells and that an adult human ...
Alveoli are found in lungs and exchamge O2 and Co2 !!
so answer is last one !!
The correct answer will be the second one Growth of a tumor
A way of storing carbon in organic material is Burning fossil fuels or D all of these
