Answer:
Keep doing me to avoid lens dryness
I am clean when Iām black dirty when Iām white.
I'm an animal. I love marching. I always wear a tuxedo. What am I?
Weight in my belly, trees on my back, nails in my ribs, feet I do lack. What am I?
you hold my tail while I fish for you
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.