Please help me i have been asking this question on this website for a while now. What is Mancuso working on in his labs? Why is it easier to work with plants than animals when it comes to hybrids? Explain.

"Mancuso" has been derived from an Italian word "Mancusi" which means "left handed".

Explanation:

It is easy to work with plants than animals when hybrid because :-

1.Complexity  - The complication of animals as compared to plants when they are hybrids are less  which makes easy to work with plants than animals.

2. Easily Available- Hybrid plants are more easily available than animals specie which can also be one of the reason why it is easy to work with them. Size of plants,color, taste might be considered as special.

69 is the correct math for the amino acids

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.