The correct answer is D. Bird flu.
Polio and smallpox are very rare today as they were eradicated hundreds of years ago and TB has been around for maybe thousands of years. Bird f!u was discovered in 1957.
Answer: The criterion and constraint for the identifying the lighthouse signals are as follows:
Explanation:
The constraints for the lighthouse signals are to the conditions that are to satisfied in accordance with the design. The display of the lighthouse can display a single flash which can repeat at 5, 10, and 15 seconds of the intervals.
A lighthouse is constructed near the seashore so that the water transportation vehicles can detect the light and reach to the shore.
Answer:
gravel, rocks with cracks, loosely packed soil
Explanation:
all tree has room for water to flow through
Explanation:
A. to catch pollen grains
is yr correct ans.
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Explanation:
Transpiration, plant breathing, is when plants absorbs water from the roots using the xylem and phloem and takes them to the leaves where they exit as water vapour via the stomata (tiny openings). Through transpiration plants are able to cool themselves and produce their own food using the process of photosynthesis.