Marine Protected Areas are areas where human activities in certain marine environments have been limited to protect the environment and its inhabitants. This can be important because it seeks to protect the organisms and ecosystem of the marine environment, reduces pollution to the marine environment, preserves a marine environment for future use, and can also maintain the aesthetics of a marine environment. These are all factors which are related to conservation and preservation of an ecosystem or environmental area which are the main purposes of Marine Protected Areas.
Wind, it takes nothing to use wind, which means it doesn't put harmful emissions into the atmosphere.
The answer is the spring equinox
The migration of the Moon away from the Earth is mainly due to the action of the Earth's tides. The Moon is kept in orbit by the gravitational force that the Earth exerts on it, but the Moon also exerts a gravitational force on our planet and this causes the movement of the Earth's oceans to form a tidal bulge.
<span>The correct answer to this question is B - the two key questions in geography are intended to obtain certain factual information. Whilst the other possible questions given as answers for this question, such as 'why are they going' give indefinite, opinion-based answers, only answer B. Which birds are migrating would give a definite answer.</span>