Why was sputnik important?

Answers

Answer 1

Answer: This period of, Russia and the US both wanted to be the first person to reach the moon. Sputnik was made by the Russians and gave Russians a good head start to get to the moon .

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How the repertory system with following physiological requirements

Answers

For Example:
Place your hand on your ribs and inhale deeply. You’ll notice that your chest expands and your back straightens. As this occurs, air is rushing through your windpipe and branches off to either your left or right lung. After 20 to 30 more branch , branch points, oxygen in the air ends up in the alveoli where it diffuses into the liquid that only surrounds the alveoli, and slips into the blood. This microscopic gas exchange occurs rapidly, oxygen is taken into the body and carbon dioxide is totally removed from the body, and then you exhale.
Hope that this helps you! =)

Which blood type can be transfused into a patient who has blood type A–?

Answers

For a person with blood type A- (A negative), they can be transfused with either blood type A negative , or blood type O negative.

This is because any other blood type will immediately be rejected by their body.

A person with blood type A negative has got antibodies against any other blood type which has a rhesus positive factor as well as antibodies against any other blood type of a different group such as B and AB, even if they are rhesus negative.

Therefore because of the rhesus negative factor, a person with blood type A negative can only be transfused with rhesus negative .

Answer:

Option D: O-

Explanation:

They can also receive blood type A-, but that's not one of the options on the test.

Who won the battle of somme? explain

Answers

Neither side really won. The British and French, who started the battle, won some ground, but it wasn't much and their casualty rate was very high. The British & French lost about 620,000 men; the Germans lost about 500,000.

The goal of the battle was to make a breakthrough against the German lines and to take some of the pressure off of French troops who were fighting the Germans at Verdun. I believe the casualties were higher at the Battle of the Somme than at Verdun.

In rain forests, habitats are classified _____.

Answers

Answer:

vertical stratification of plants

Explanation:

vertical stratification is best explained as the vertical layering arrangements of vegetation in the rain forest habitat.

The vertical arrangement of trees is so significant to so many species in the forest because they are dependent on different vegetative layers. Each layer offers a distinct purpose to the habitat.

Answer:

vertically

Explanation:

Which of these is NOT an environmental effect of burning fossil fuels?A. increased carbon dioxide levels

B. habitat loss

C. increased temperature

D. acid rain

Answers

i believe it would be B. habitat loss, it has no direct effect on habitats. but it may cause problems for the animals living in the surrounding habitat, from the other options. increase and temperature and carbon dioxide levels are dangerous for the surrounding environment, along with acid rain being a rare thing that can affect things

Which is not part of the description for communication1.receiving a signal
2.sending a signal
3.responding to a signal
4.learning to signal

Answers

Learning to signal is not part of the description for communication.
Can you help me on my last question?

Learning to signal is not part of the description for communication

Other Questions

Jasmine, at 33 months of age, is able to engage in some self-care behaviors but still has trouble with tasks such as putting on socks. A few months later, she accomplishes this same task relatively easily. The change in abilities is most likely due to _____.

Billy is sitting in a chair in class. If the action force is the downward push of his weight on the chair, what is the reaction force?A.there is no reaction forceB.the upward force of the chair pushing on BillyC.the downward force of Billy's weight on the EarthD.the upward force of the Earth on Billy

What is the biogeochemical cycle that describes the movement of oxygen within and between its three main reservoirs?

What is deffusion and give me an example