Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


When winter approaches our part of earth receives less sunlight, and the air grows colder. when this changes happen, trees prepare for winter . trees that drop their leaves seal the spots , where the leaves are attached then the fluids cannot flow in and out from the leaves , which change colour and fall off. 
1 1 1
any chemicals can play the impartant role
2 Pigments that contribute to other colours 2.1 Carotenoids
2 Anthocyanins
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts