I believe it is B.) a system of interacting subsystems or A.) An indivisible unit that is part of the solar system.
Answer:
Due to the presence of larger vessels.
Explanation:
Due to the presence of larger vessels of hardwoods in the tree, water move faster in that tree as compared to other type of plants. in smaller plants, small vessels are present which able them to move less amount of water as compared to large trees which have large vessels. It tells us that the tree adopted the environmental changes so that's why to overcome the change, they use more water.
Answer: OMG THIS IS SOMETHING I KNOW ABOUT!! OKAYYY. When the global temperatures affect the polar ice, the ice start to melt. If the ice melts then the polar bears could loose their home, and would not have any other place to live. Polar bears need a very cold place to live, because it's suitable for them. Umm also The polar ice could eventually flood some parts of the earth causing a global flood!!
Explanation: Also if they have any left, sign the petition to save the polar bears.... they need help fastt! also, they (trump) want to drill into the ice to get some type of "oil" out the ice!! Please they need help!