Without enough light, a plant cannot photosynthesize very quickly - even if there is plenty of water and carbon dioxide and a suitable temperature. Increasing the light intensity increases the rate of photosynthesis, until some other factor - a limiting factor - becomes in short supply.
Answer:
water
Explanation:
All living organisms need water to intake and survive.
The growth rings of a tree is the physical reality of the age of the tree and by examination can confirm the history behind a tree. By studying the rings you can find info about previous climate using the proper process that science says.
