What tense is this sentence written in? "firstly, nature is isolated as an entity"

In descriptive writing, the conclusion should introduce a new idea return the discussion to the general level use a quotation explain why the essay was effective

Which statements describe the last two lines of a shakespearean sonnet? select three options.

Which sentence is punctuated correctly?  a.under a microscope; the organisms look a bit like ruffled tennis balls they have armored plates that fit together to make a round shape. b.when the water is disturbed; the organisms respond by glowing this makes swimmers look like floating beams of blue light. c.there is a bay in puerto rico that seems to light up at night; the light comes from tiny organisms in the water. d.the luminescence attracts visitors from around the world people are curious to see; this beautiful otherworldly sight.