You are most likely talking about the radar, which scans and alerts the people on the submarine of other submarines, missiles, etc. nearby.
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Amy arrived at the empty lot just before sundown, when the ________Crepuscular____________ animals began to emerge from the forest to feed in the grassy field.
Crepuscular is derived from twilight (a latin word ) and is used to describe animals that are active just when the sun is rising or setting that is at dawn or dusk. Animals who are crepuscular are believed to have evolved like this majorly to prevent predators, or to prevent the scorching sun's heat on them. Some of them are The ungulates (mule ,deer) , jack rabbits, bison, rattlesnakes, beavers, humming birds etc.
See related answer here: brainly.com/question/21314356
A framed narrative happens when the author uses a story and its characters to tell you another story (a story within a story... a storynception). Here, we can observe a character doing a grand opening, and he starts to introduce a character when he says "<span><em>I want to tell you of a marquis, whose actions, even though things turned out well for him in the end, were remarkable not so much for their munificence as for their senseless brutality."
</em>Therefore, you best answer is option B.<em>
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<span>The answer is B and D. Overpopulation is among the most squeezing ecological issues, noiselessly exasperating the strengths behind an unnatural weather change, ecological contamination, living space misfortune, the 6th mass termination, escalated cultivating rehearses and the utilization of limited normal assets, for example, freshwater, arable land and non-renewable energy sources</span>