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Ronch [10]
2 years ago
6

1. What changes occur, in reference to the circulatory system, when you exercise?

Biology
1 answer:
allsm [11]2 years ago
7 0

Answer:

Exercise causes the heart to pump blood into the circulation more efficiently as a result of more forceful and efficient myocardial contractions, increased perfusion of tissues and organs with blood, and increased oxygen delivery.

Explanation:

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What characteristics does a good hypothesis possess?
expeople1 [14]

Answer:

1. Power of prediction

2. Closest to observable things

3. Simplicity

4. Clarity

5. Testability

6. Relevant to problem

7. Specific

8. Relevant to available techniques

9. Fruitful for new discoveries

10. Consistency and harmony

Here's ur answer mate!!!

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6 0
3 years ago
How does the Foucault Pendulum show that the Earth rotates?
egoroff_w [7]

The Foucault Pendulum show that the Earth rotates because the pendulum would swing so slowly that it would appear to change direction as the Earth moved away.

<h3>How does the Foucault pendulum work?</h3>

The Foucault pendulum was able to demonstrate experimentally that the Earth revolves around itself with an angular velocity Ω, in a period of 23 hours, 56 minutes and 4 seconds.

Thus, Foucault knew that the longer the string attached to the weight, the slower the swing of his pendulum. He could attach the string above to an almost frictionless pin, and if he used a very large weight, the pendulum would swing so slowly that it would appear to change direction as the Earth moved away.

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7 0
1 year ago
Which domain includes prokaryotic organisms that can live in extreme conditions? (2 points)
ivann1987 [24]
Archea are known to survive harsh conditions.
6 0
3 years ago
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What are the basic building blocks of fats?<br>​
nexus9112 [7]

Answer:

Fatty acids are the building blocks of the fat in our bodies and in the food we eat. During digestion, the body breaks down fats into fatty acids, which can then be absorbed into the blood. Fatty acid molecules are usually joined together in groups of three, forming a molecule called a triglyceride.

8 0
3 years ago
What happens to salinity if the rate of evaporation is greater than precipitation? Why?​
malfutka [58]

Answer:

Answer:

Explanation:

What happens when water's salinity increases?

A combination of high salinity and low temperature makes seawater so dense that it sinks to the bottom of the ocean and flows across ocean basins as deep, slow currents.

What happens to local salinity when evaporation rates increase?

Salinity is the saltiness of seawater. Salinity is measured by the concentration of grams of salt per kilogram of water. ... What happens to local salinity when evaporation rates increase: Rises 5.

How is salinity related to evaporation and precipitation?

Evaporation of ocean water and formation of sea ice both increase the salinity of the ocean. However these "salinity raising" factors are continually counterbalanced by processes that decrease salinity such as the continuous input of fresh water from rivers, precipitation of rain and snow, and melting of ice.

*Hope this answered your question?*

8 0
3 years ago
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