Jawapan

2016-10-10T22:11:54+08:00
Old age because they need protein to repair their broken tissue
kebanyakan orang tua yang banyak memerlukan protein utk membaiki kerosakan atau kelemahan tissue badan dan kekuatan tulang
2016-10-10T22:17:58+08:00
Infancy, bcs they need more intake of protein to let them grow rapidly