Rupert wrote:
I don't think I have mentioned your work before?I

You keep mentioning my business name Ruppert since Janet first
mentioned it!!! Why? As I explained to you we don't work with 'nature'
but promote renewable energy etc. hence the 'sustainability' principles
we keep on pushing. Still, please stop mentioning my business.

It poses me a few problems as well. Have you repeated the question
correctly? Give us the full question and someone will have a go at an
answer.

What shape of leaf does the Betula species typically have and list 4
purposes of the leaf.