<span>A. nucleotides each nucleotide=base+sugar+phosphate
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improved soil fertility
Explanation:
One of the direct effect of biodiversity is improved soil fertility. Biodiversity deals with variations in life inhabiting a particular area.
- A typical soil is made up of water, air, organic matter and minerals.
- Organic matter is the component of soil that deals with remains of organisms in soils.
- This component is important to the soil.
- The more diverse an ecosystem is, the richer its organic matter component.
- This eventually tells on the fertility of the soil.
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Answer:
18 cells
Explanation:
1.5 hours is 90 minutes. 2 cells per 10 minutes so it 18 cells.
A dorsiventral (Lat. dorsum, "the back", venter, "the belly") organ is one that, like an ordinary leaf, has two surfaces that differ in appearance and structure from each other. As a synonym for dorsoventral organs, those reaching from the dorsal to the ventral surface, this term has also been used.