Answer:B the pollen turns into sperm cells
Answer: Higher.
Explanation:
It the ozone layer disappeared, life on the earth would be exposed to higher concentration of ultraviolet rays.
These rays are very harmful for the organism present on the earth. Exposure to the higher concentration of ultraviolet rays increases the chances of cancer in the organism.
higher exposure to UV rays can lead to mutation in the cells of the body which can in turn lead to many harmful diseases.
Answer:
grinding
Explanation:
The streams are very powerful agents when it comes to erosion. With their power and chemical composition, the streams manage to erode the rocks easily and even the hardest rocks experience significant changes or are totally destroyed over time. The water of the streams manages to break down the rocks into small or big pieces, and as it does it moves them away. The rocks that are carried are constantly colliding with other rocks along the way, causing even more pieces to break and to be eroded, thus the grinding type of stream erosion.
Answer:
soil,air and water
Explanation:
give nutrients to plants and release oxygen
Answer:
The shoot of a grass seedling is enclosed in a sheath called the coleoptile, which grows straight upward if kept in the dark or illuminated uniformly from all sides. If it is illuminated from one side, it will curve toward the light as a result of differential growth of cells on opposite sides of the coleoptile.
Explanation: HOPE IT HELPS
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