Answer:
The animals could change it. For example, a bunny could dig a hole in the ground, making a home for other animals inside of it, too, changing the animals' living environment.
Or natural disasters could change their environment, too. For example, if a landslide occurred and covered a pond, frogs and snakes could lose their living areas and food, which would make them have to move to a different area, changing another ecosystem.
This is a case of a patient that needs his subtalar joint to be immobilized by the fusion of supporting bones. This is called arthrodesis and the corresponding CPT code for arthrodesis procedures in the foot and toes is CPT 28715. The patient also underwent bone grafting from the fibula to fill in the defects in the talus. The CPT code for general grafts or implants procedures in the musculoskeletal system is CPT 20902-51.
B looks like the best to me
As albedo in the Arctic region is getting higher, incoming radiant energy of the sun will be more reflected. If albedo in the Arctic region is falling, incomig radiant of the sun will be more absorbed.
Albedo is a name of overall reflectivity in terms of the Sun's spectrum.
Your answer would be A. The earth element stays in the same area of the lithosphere, hydrosphere, or atmosphere where they originated when the earth was formed.