"The number of growth rings" is by far the best indicator of the age of a woody plant, although it should be noted that there are other ways of indicating age.
Starch is made up of alpha glucose. Fiber and Cellulose is made up of beta glucose.
Human exploitation of fragile ecosystems can lead to the droughts and arid conditions characteristic of desertification. Effects include land degradation, soil erosion and sterility, and a loss of biodiversity, with huge economic costs for nations where deserts are growing.
Mammalia (mammals) have hair or fur and produce milk
It’s to get all your different bones the right nutrients they need so they do get weak.
