People infected with a small number of TB bacteria often do not develop the disease. Explain, as fully as you can, how the body defends itself against the TB bacteria.

is in the form atp or adenosine triphosphate

age range would be the answer

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.

they had the law tat factories that produces smoke cannot be built near residential buildings.

building of proper sewage system was done to ensure that the waste is carried away from the humans so that they do not get diseases from it.

also they built water systems to provide water in those areas which are drought prone.