Answer:
C) Global climate change
Explanation:
Carbon and Methane are both greenhouse gases. They trap heat in Earth's atmosphere, resulting in an increase in temperature across the globe.
The fingernails on the manatee are homologous structures.
Explanation:
The manatee is an animal that lives in the water, but it is not an animal that is related to the fish, instead it is a mammal. When the term mammal is mentioned, people often think of terrestrial animals, but some of the mammals are not living in the water, and have lot of characteristics that are very similar to the other marine animals. Mammals that live in water are:
Some of these mammals, like the manatee, actually have fingernails, which is very weird considering that they are of no use. The fingernails are actually homologous structures, or rather structures that have been kept from their ancestors, and can be found at many other animals with which they share common ancestor. While the ancestors of the manatee were terrestrial mammals, over time they totally transformed as they were using the water more and more, but the fingernails remained, with the main reason for that being that they are not disadvantageous, so there is no evolutionary pressure for the animal to lose them.
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The correct answer is - True.
Southeast Asia is a region with very big potential. The region, in general, is in a developing stage and there's lot of things that need to be improved. The improvement of the movement of people, goods, and ideas through the region is crucial for the region's development. That is actually the purpose why ASEAN was formed, to make the countries collaborate, support each other, improve their economy, allow people, trade,ideas, technology to move in the region much more easily for the benefit of all nations in this part of the world.
The most striking visual difference between taiga and tundra is the presence of trees. The taiga has a thick forest of conifers such as pine and spruce, while in the tundra trees are absent completely
