CN- the minus goes on top but that should be correct!!
The right answer for the question that is being asked and shown above is that: "<span>The reefs are an essential part of the ocean’s ecosystem, and when people build structures on top of them, they are easily damaged because they are so fragile."</span>
B. are more difficult to control than point sources. This is because A. is wrong (point source), and C. is wrong, because it doesn't necessarily cost less or more to identify the sources. D. may be right, as non point sources are natural, such as snow melts or rain.
<span>Items/services that fall under dda authority are :
</span><span>
Unused munitions that are unserviceable, abandoned are removed for disposal
Used munitions transported off-range for disposal</span>
What is this supposed to mean?