Answer:
I believe that it is D.
Explanation:
If ice caps are melting, and polar bears use the ice flows to get their food, then the polar bears can't use the ice to get food. so, the polar bears most likely are expanding their diets to adapt to their surroundings. So, polar bears are probably moving off the sea ice and eating other foods.
D, contains fluid that becomes more concentrated as it moves down into the medulla
Answer:
The benefits of green buildings have convinced many architects and construction companies to “go green” in order to protect the environment, save money, reduce pollution, and increase human health and happiness. Green building is a trend that is here to stay.Buildings that are “green” also have reduced operating costs.
Explanation:
It's from the website they provided us.
Seedlings And Xylem That’s The Answer