Answer:
How much lighter would a human be if we had hollow bones like in birds? about 10% lighter. most of our weight is muscle (water) and fat. bones are only about 20% of our body weight.
Explanation:
so no they are actually much lighter
Invasion and multiplication of the bacteria in body tissues result in local cellular injury due to
1 competitive metabolism
2. Toxin- which is a poisonous substance produced within living cells or organism
3. intra cellular replication
4. antigen-antibody interaction- which is a specific chemical interaction between antibodies produced by B cell of white blood cells and antigens during immune reaction
<span>The best answer is :
</span><span>A. bacterial growth reduces the chances of fire due to oil spill because s</span>praying fertilizers on an oil soaked area stimulates growth of bacteria that metabolize the oil and it speeds the natural breakdown process.