Al crossmultiplies with 2
S crossmultiplies with 3
Al2S3
Plicae, villi and microvilli increase the surface area for he absorption of nutrients
Answer:
Cyanobacteria are responsible for first adding oxygen to the Earth's atmosphere.
The maxillary bones and mandible are part of A. the facial bones.
In fact, maxillary and mandible are primary bones of the face which also includes, nasal bones, zygoma, and frontal bone.
Both are found in the jaw area. The mandible bone is located near the lower jaw, while the maxilla is found near the nasal portion of the face.
D. sustainability increases i think