Which of these statements about particulate matter less than 2.5 microns in diameter is true? O A. They're the size of a human hair.
O B. They're less of a threat than particulate matter that's 10 microns in diameter.
O C. They're produced from nitrogen gas (N2).
O D. They can cause heart and lung disease.

Which statement describes the reaction for cellular respiration? the equation is carbon dioxide + water → glucose + oxygen + water and energy is required in the form of light the equation is glucose + oxygen → carbon dioxide + water and energy is produced in the form of atp. the equation is carbon dioxide + water → glucose + oxygen + water and energy is produced in the form of atp. the equation is glucose + exygen carbon dioxide + water and energy is required in the form of light.

As a result of wildfires, in grasslands. a) tree growth increases b) grass growth increases c) soil quality decreases d) invertebrate variety decreases

What best describes the structure of the declaration of independence?