Wht is the orbital radius in kilometers

1 answer:

7 0

1,500,000 kilometers.

The Hill sphere (gravitational sphere of influence) of the Earth is about 1,500,000 kilometers (0.01 AU) in radius, or approximately four times the average distance to the Moon. This is the maximal distance at which the Earth's gravitational influence is stronger than the more distant Sun and planets.

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SORRY ITS SICIENCE I DIDN'T KNOW WHAT TO PUT

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D. climax communities

Explanation:

The climax communities are the communities that have reached equilibrium. This basically means that there's the optimal number of species of flora and fauna, as well as the optimal populations of them in the ecosystem. They all interact and are perfectly adapted to coexist, benefit from one another, and balance the usage of food sources with its renewing. This type of communities appear at places where there has been no disturbances for quite some time, so the species lving there managed to create a perfect balance.

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Recall from the video the steps of how to measure blood pressure using a stethoscope and sphygmomanometer (blood pressure cuff).

Helga [31]

There is no video but I found an image that has the steps to be put in the correct order. Attached is the image.

In taking the blood pressure of the patient, it is best to put the patient on seated position with his or her arms at heart level. The cuff should be placed at least 2 fingerbreadths above the cubital fossa. In using the stethoscope, it is better to use the bell of the stethoscope rather than the diaphragm as we need to hear low pitched sounds.

The first step after all the preliminary steps are done is to wrap the cuff around the arm just above the elbow. Then place the stethoscope over the brachial artery which is in the medial side of the cubital fossa. Next is to squeeze the bulb and inflate the cuff above the systolic pressure. Next is to slowly release the pressure valve. Record the number when the first Korotkoff sound appears (systolic blood pressure). Then record the number when the last Korotkoff sound disappears (diastolic blood pressure). Lastly, is to deflate the cuff.

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What is the difference between Total RNA Isolation and Total RNA Extraction?

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DNA extraction methods cannot be directly applied to RNA as RNA is structurally very different from DNA. RNA is single-stranded, while DNA is mostly double-stranded. It is often difficult to isolate intact RNA. ... RNA isolation therefore requires cautious handling of samples and good aseptic techniques.

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The northern copperhead is Agkistrodon contortrix contortrix,the southern copperhead is Agkistrodon contortrix mokasen, and the

Savatey [412]

Therefore "the copperheads are subspecies and the cottonmouth is a separate species".

<u>Answer:</u> Option C

<u>Explanation:</u>

The higher classification is "copperhead" for both the subspecies Agkistrodon contortrix contortrix and Agkistrodon contortrix mokasen. As the name itself consist species name "A. contortrix", both are belonging from "Viperidae" family, "Crotalinae" subfamily and venomous pit viper subspecies.

These are generally silent snakes as they show lazy and motionless behavior when encountered but on agitating sufficiently they become protectively aggressive and they are species of eastern North America. While Agkistrodon piscivorous are separate species with higher classification as "Cottonmouth" and name carry species name "A. piscivorus". It is indigenous to southeastern United States and belongs to same family as copperhead.

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