Which of the following are examples of natural pollution? Choose all that apply. car exhaust
volcanoes
pesticides
trash
forest fires
floods

Drag each description to the correct location on the image. not all descriptions will be used. describe the parts of a comet. the frozen part of the comet the atmosphere of gases and dust formed when the nucleus vaporizes tail made of small, solid dust particles tail made of ions that appears to point away from the comet's orbit

Consider the equation s + o2 ? so2. what is the product? question 3 options: s so 2 s + so 2 o 2

Select the correct answer. which statement applies only to the axial skeleton, not the appendicular skeleton? a. it contains a pivot joint. b. it has muscles attached that work in pairs. c. it contains red bone marrow. d. it possesses fossa for bone articulation. e. it protects the heart and lungs.