How can picking up trash on a beach ?
i don't really know the subject just its in science

:calculate the sum of the interior angles of a 13-sided polygon.

Which of the following terms describes the layers of air surrounding the earth ?

What types of details should a draft of a research based essay contain? check all that apply-paraphrased information-information from questionable sources-facts that relate to the topic-quotations that illustrate ideas to convey-plagiarized information