Answer: Gemstones of various minerals are highly prized for beauty, durability, and rarity. Some noncrystalline materials of organic origin. Examples are pearl, red coral, and amber also are classified as gemstones. Gemstones have attracted people since the ancient times, and have been used for jewelry.
Explanation:
Answer:
The factors that should be kept in mind while implementing green roofs are discussed below:
Explanation:
1. Green roofs comprise of two kinds: the intensive roof and the extensive roof. Intensive roofs are capable of growing any kinds of plants on it but they need to be well maintained. Extensive roofs are lighter and do not need much maintenance and very few kinds of plants would be capable to grow on it.
2. The slope of the roof should be either flat or just inclined at an angle of 30 degrees to support the growth of plants.
3. You should have the fact in mind that your roof should acquire enough light from the sun for the growth of the plants.
4. Waterproofing of the roof should be done according to the climate conditions.
Answer:
True.
Explanation:
Almost all organisms have the same codons. These codons make them unique so having the same ones means each organism has a shred of uniqueness.
Answer:
The answer is 46 chromosomes.
Before mitosis, cell duplicates its DNA material so there are 46 chromosomes in duplicates and in total there are 46 x 2 = 92 sister chromatids. During mitosis, sister chromatids first join in the middle of the cell and then separate towards the opposite sides of the cell. After they separate, there are 46 sister chromatids on the one side and 46 sister chromatids on the other side. Each sister chromatid at the end of cytokinesis actually represents the chromosome of the newly formed daughter cell.
Explanation:
Answer:
hydrosphere
Explanation:
definition: the hydrosphere is the sum of earth's water, in the ocean, the ground, on the surface, and in the air.
