Help
Essential structural component of body tissues;
catalyze (speed up) chemical reactions.

Good sources of protein in the diet include meat, poultry, fish, dairy products, eggs, legumes or pulses (beans, lentils and peas), and nuts. Many nutritionists recommend that we eat lean meats and low fat dairy if these foods are part of our diet. Our bodies can make some of the amino acids needed to make our body proteins, but we must obtain the others from our diet.

hahdgysyznKjsndydnuejscu8dc

uh two lol

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.