Why is the colour of a leaf kept in the dark frequently yellow, or pale green? Which pigment do you think is more stable?

Why is the colour of a leaf kept in the dark frequently yellow, or pale green? Which pigments do you think is more stable?

Why is the colour of a leaf in the dark frequently turns yellow, or pale green ? Which pigment do you think is more stable ?

Why is the colour of a leaf kept in the dark turns yellow, or pale green? Which pigment do you think is more stable?

Why do you think forests are important?

Which do you think are the most poetic lines? Why?

Think why do you eat ?

What do you think the dog does to find its food ? Which sense of the dog, do you think, is more developed ?