Answer:
from precipitation, oceans lakes streams and soil
MRNA has a complex secondary structure; 3D. While tRNA is more like an X figure.
Answer:
Hope this helps!!
Explanation:
Glaciers act as reservoirs of water that persist through summer. Continual melt from glaciers contributes water to the ecosystem throughout dry months, creating perennial stream habitat and a water source for plants and animals. The cold runoff from glaciers also affects downstream water temperatures.
Subduction i think,when they are pushed together one subducts forming a trench.im probably not right,sorry