Explanation:
phenotypic ratio = 9: 3: 2: 1: 1
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A.<span>by separating the light of different wavelengths</span>
Answer:
A sphygmomanometer is a devices which is use to measure blood pressure. Sphygmomanometer is consist of rubber cuff (inflated) which is use to wrap around the arm and the dveice measures the pressure generated in the cuff.
Heart beats allows the blood to flow in the arteries and causes rise in the pressure, called systolic pressure and after thhis when pressure decreases, pressure is called the diastolic pressure.
The sphygmomanometer cuff get inflated with the systolic pressure and when valves are open the cuff releases the pressure. When cuff pressure become equal to systolic pressure, it creates blood flow turbulence and the sound can b emeasures by stethoscope. these sounds are notived and cuff pressure is meausred. The blood flow turbulence will be created till the pressure of cuff reaches below the diastolic pressure. When the blood flow sound stops, it indicates the begining of diastolic pressure.
So, this is how a sphygmomanometer measures blood pressure.
Answer:
The location of fossils within the strata of Earth help scientists predict the organism's absolute age
Explanation:
⇒Fossil means the impression, or trace of any living beings that gives us the information about past geological age and it also gives the idea of evolution.Fossils can be bones, teeth, shell etc.
⇒With the help of fossils,the scientists can determine the age of that particular living beings by using the method like radio carbon dating or carbon-14 dating.( An isotope of carbon which is radioactive)
The Atlantic Ocean is on the Eastern Coast of North and South America and it covers about 20% of earth’s surface.
