Kayla is learning about ecology and made a study chart. Which headings best complete the chart? A: X: Abiotic Y: Biotic B: X: Biotic Y: Abiotic C: X: Niche Y: Habitat D: X: Habitat Y: Niche

Which of the following best describes the purpose of a nation’s boundaries? a. to limit the movement of goods and people b. to make it easier for cartographers to create maps c. to make the movement of goods and people easier d. to prevent other countries from invading territory

Which of the following regions suffers the most from acid rain? a. the area around vancouver c. the area below atlanta b. the area below detroit d. the area above montreal

Which statements about the diagram are true? check all that apply. is an angle bisector. lkq is bisected. mjkl = 45° mmkq + mpkq = mpkm is an angle bisector. jkl qkm