Which is better, a black horse or a white horse?

Zebra Zebu and his friends were playing hopscotch when suddenly it started raining heavily. Zebu noticed that heavy rain washed away the lines of the hopscotch grid. Could the rain wash away his own stripes too?

Scientific common sense Taiwan, China Scientific Enlightenment Chinese Scientific inquiry 3 7 6 5 4 8 Science Authorization Little Newton Animal World Behavioral habits