They are all crustaceans, i think.
Each ring marks an entire cycle of seasons, or one year, within the tree's life. Hence 23 rings shows 23 years of trees life . Measurement of tree rings are based on Radiocarbon dating. These rings can tell us how old the tree is, and what the weather was like during each year of the tree's life. The light-colored rings represent wood that grew in the spring and early summer, while the dark rings represent wood that grew in the late summer and fall.
Rings of trees growing in temperate climates can indeed tell their age through their annual rings and also help determine the age of wood used to construct buildings or wooden objects.
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Answer:
Option (D)
Explanation:
The existence of a good and favorable ecosystem depends upon certain factors such as temperature, rainfall, and sunlight. In a place where there is abundant rainfall, sunlight and moderate temperature, there occurs an ecosystem that is rich in a variety of species as it provides the necessary elements that support the existence of a favorable ecosystem. Due to the moderate temperature and good amount of precipitation, the soil in this ecosystem gets the required nutrients that help in the growth of different species of plants and trees. This given condition reflects a tropical type of ecosystem where there are numerous trees and also a huge variety of species exists. The tropical ecosystem lies in the equatorial and near-equatorial region on earth.
Hence, the correct answer is option (D).
<span>Five consequences of deforestation and forest degradation are global warming, which will warm the Earth, soil erosion, which will make it impossible to grow food, loss of biodiversity, flooding and bad air quality. Some of these consequences such as global warming will take a while to cause major damage, but flooding and loss of biodiversity is already happening.</span>
Volcanic eruption is the answer
