Answer:
The process that is an important part of chemical weathering through oxidation is oxygen giving up electrons to other elements
Parietal and frontal.. whichever one your looking for
Plants get their energy from the Sun. animals would then eat the plants and get energy from the plants.
That organ is called the rectum, or more coomonly, the anus. The rectum is the final part of the large intestine and the digestive system, where food that has had all its nutrients extracted (as much as possible, anyway) is sent to be compacted and sent out through the anus in the form of excreta. The contents in the rectum is mostly indigestible fiber and other materials. The rectum at its end connects to the bodily orifice known as the anus.
