White blood cells are also known as “leukocytes” .
Animal cell is described as the 3rd tropic level
Answer:
Lactase requires 6 pH and 37 degree Celsius temperature.
Explanation:
Lactase can work efficiently in the human body of most humans because the pH and temperature of the body is favorable for the lactase to work. Lactase has a range of pH from 2 to 7 but work best at the pH 6 and at the temperature of 37 degree Celsius which is the human body temperature and pH so that's why the lactase can work efficiently and effectively in the human body.
Structures and statues deteriorate. Especially those made of limestone. Water gets polluted, fishies die. that sort of stuff