A. A weak acid. Hope this helps!
Hello!
__Mechanical__ weathering is most common in a desert environment.
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j548831
After the macrophage fails the Helper T Cell stimulates the B cells (create antibodies) if pathogen is extracellular and Cytotoxic T Cells (killer T cells, release perforin) if pathogen is intracellular. Once the pathogen is killed the B Cells create Memory B Cells and the Killer T Cells create memory T Cells.
<span>Hope that's helpful.</span>
The given statement is true.
Fibrocartilage comprises an amalgamation of cartilaginous tissue and white fibrous tissue in various extents. It exhibits toughness and flexibility due to the presence of the former constituent, and the property of elasticity due to the latter. It is only cartilage, which comprises both the type I and II collagen.
Fibrocartilage is found on the pubic symphysis, and on the soft tissue to bone attachments. Fibrocartilage is a dense, tough, and fibrous component, which assists in filling the torn part of the cartilage.
four support ing tissue in plants are
1. vascular tissue
2. epidermal tissue
3. ground tissue
4. meristematic tissue
