Answer:
The main source of agricultural methane is a process called enteric fermentation, a normal part of digestion in ruminant animals such as cows, sheep, goats, buffaloes and camels. ... This process produces methane gas, which the animals then belch out into the atmosphere.Sep 10, 2007
Explanation:
Blood cells because they keep the cells alive and reproduce
Answer:
A) Divergent evolution because all of the species have similar structures during the first stage of development.
Explanation:
A dodecahedron has 12 regular pentagonal faces, 20 vertices, and 30 edges. Three faces meet at each vertex.The faces of the dodecahedron are pentagons.<span>A dodecahedron is a polyhedron with 12 faces . A dodecahedron is a three-dimensional shape having twelve plane faces. </span>
The word sponge is more appropriate to use than Underground river since an underground river can loose water while an aquifer cannot loose water, unless it is open-air and above ground. then the aquifer would slowly loose water due to evaporation from the sun.