amino acids are joined by dehydration synthesis to form long chains or polymers which part of the cell does this process takes place

compost can be added to topsoil as a:

pesticide

x would be the most and the least would be y because there are more fruit   and seeds than flock z has insects

common management practices in dairy and poultry farming are: (i) proper shelter facilities and their regular cleaning. (ii) some basic hygienic conditions such as clean water, nutritious food, etc. (iii) animals are kept in spacious, airy, and ventilated place.