Plains<span> occur as lowlands along the bottoms of </span>valleys<span> or on the doorsteps of mountains, as coastal </span>plains<span>, and as plateaus or uplands. In a </span>valley<span>, a </span>plain<span> is enclosed on two sides but in other cases a </span>plain<span> may be delineated by a complete or partial ring of hills, by mountains or cliffs.</span>
Answer:
D. Both A and C
Explanation:
I'm guessing D. states 'Both A and C', since it works.
Process:
A. sin 18° = 0.31, and cos 72° = 0.31
A. works!
B. sin 55° = 0.82, and cos 55° = 0.57
B. does not work!
C. sin 72° = 0.95, and cos 18° = 0.95
C. works!
Hope this helps!
Answer:
The sun, or abiotic factors
Explanation:
Primary producers are organisms that make their own food, such as plants. They do this through photosynthesis, which requires sunlight, water, and carbon dioxide.
A. This is because these formations occur on the surface and can range from mountains to forests.
