Two arguments people might not preserve botana curus.

- To costly

-There is another plant that has the same resource to cure cancer and adapts easily to different environments so you don't have to preserve Botana curus

In order to preserve Botana curus a large quantity of money must be used to do so therefore it is not economically reasonable, also if another plant has the same thing to cure cancer use that plant instead .

chlorophyll a: this is the most abundant pigment in plants. chlorophyll a absorbs light with wavelengths of 430nm(blue) and 662nm(red). it reflects green light strongly so it appears green to us.

your a sped   no one cares