Nicotine, a substance found in cigarettes, causes blood vessels to constrict. What effect might prolonged smoking have on the body? A. Decreased heart rate B.Decreased heart strength C.High blood pressure D. High blood volume

Answers

Answer 1
Answer: C. High Blood Pressure is the answer
Answer 2
Answer: The effect of prolonged smoking is c - high blood pressure, by constricting the blood vessels. 

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compare and contrast the process of replication between the alien sample and eukaryotic life found on earth

Answers

Answer:

The answer is "Mode of replication".

Explanation:

The answer is the model for reproduction because it is the genetic reproduction implements a diffraction model, which replaces some old bases with other small colonies for each strand of the fetus, opposed to a semiconservative model of reproduction in eukaryotic cells, wherein one chromosome is completely new and one is old.

Final answer:

Replication in both eukaryotic life and an alien sample would involve the duplication of genetic information, but the specifics could vary. For instance, while eukaryotes use DNA and replication is bi-directional, the alien sample might use RNA and replication could be uni-directional. These are, however, speculative based on our understanding of life on Earth.

Explanation:

In both the eukaryotic life found on Earth and in the hypothetical alien sample, processes of replication would involve the duplication of DNA, which serves as the basis for passing genetic information from one generation to the next. In eukaryotes, this process is accomplished via DNA replication, a bi-directional process in which the DNA helix is unwound and each strand is used as a template for the synthesis of a new complementary strand.

In contrast, we can speculate that the alien sample might have biochemical differences that influence its DNA replication process. The alien sample, for instance, could utilize RNA instead of DNA as the main carrier of genetic information. Its replication process might also proceed in a uni-directional manner, which is contrary to the bi-directional process in eukaryotes. Nevertheless, these differences are more conjectural since we don't have a specific example of extraterrestrial life to examine.

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Which statement describes DNA​

Answers

Answer:

DNA stores an organism’s genetic code.

Answer:

B

Explanation:

I did the test

What sources of information might you ise to determine the relative motion of Earth compared to other planets in the solar system?

Answers

The sources of information that might be used are ; (i)The spinning of the earth on its axis and (ii) the spinning of other planets on their axis

The relative motion of the earth is the spinning/rotation of the earth on its axis from west to east every 24 hours. every planets in the universe spins in the same direction of the earth ( i.e. from west to east ) except Venus and Uranus whose spins are retrograde.

To determine the relative motion we can observe the movements of other planets that way we can determine the relative motion of Earth in the universe.

Hence we can conclude that the sources of information are The spinning of the earth on its axis andthe spinning of other planets on their axis.

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Final answer:

The relative motion of Earth compared to other planets can be determined using Johannes Kepler's laws, gravitational simulations, and NASA studies. Combining these methods can give an understanding of the relative motion within the solar system.

Explanation:

To determine the relative motion of Earth compared to other planets in the solar system, one can use various information sources. These include historical observations and calculations from scientists like the German astronomer Johannes Kepler. Kepler's laws of planetary motion help us understand the motions and orbits of planets in our solar system.

Another reliable source of determining relative planetary motion is gravitational simulations. These virtual simulations allow students and scientists to adjust distance parameters between celestial bodies like the Sun, Earth, and other planets. Changing these distances can clearly demonstrate the influence they have on gravitational forces and their respective orbits.

Lastly, the use of direct data from NASA studies and surveys such as those that captured the motion of Venus across the Sun, can also provide insight into relative motion within the solar system. The combination of all these sources allows for a comprehensive understanding of the relative motion of Earth and other planets in our solar system.

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"When POPs move thousands of kilometers from their original source of release in a cycle is called: Select one: a. expansion effect. b. grasshopper effect. c. dissemination effect. d. propagation effect."

Answers

Whenever POPs move thousands of kilometers from their source of release throughout a cycle is described as a "Grasshopper effect".

  • Global distillation occurs when prevailing ocean as well as atmospheric currents transport toxins towards the Arctic, where they have been confined by the freezing environment.
  • This would be known also as the "grasshopper effect," since chemicals constantly evaporate as well as condense during their way towards the Arctic.

Thus the response above i.e., "Option b" is right.

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Answer:

b. grasshopper effect

Explanation:

Persistent Organic Pollutants or POPs are organic chemicals that cause a lot of damage to environment and living beings. They are generally industrial chemicals or pesticides for example, DDT. They are toxic and not degraded easily. They tend to get accumulated in living tissues and increase in concentration as we move upwards in a food chain.

When POPs are transported to areas far from their original site, the phenomena is called as grasshopper effect. They are carried by wind in atmosphere and finally settle down on land from where they evaporate again to enter the atmosphere. Thus, the cycle continues. Eventually, they can reach to an area thousands of kilometers away from their original source.

a 50 kg box is pusher across the floor.if the acceleration of the box is 2.5m/s², what is the net force ecerted on the box​

Answers

Answer:

RequiredAnswer:-

Mass=m=50kg

Acceleration =a=2.5m/s^2

  • According to Newton 's second law of motion

{:}\longrightarrow\sf F=ma

  • Substitute the values

{:}\longrightarrow\sf F=50×2.5

{:}\longrightarrow\sf F=125N

Answer:

125 Newton

Explanation:

Given,

mass(m)=50kg

acceleration(a)=2.5m/s²

we have,

F=ma

=50×2.5

=125 Newton

!!!!HELP!!!! BEST ANSWER GETS BRAINLIEST!!!!!The phases of the moon are caused by

A)
the moon revolving around the sun and Earth.


B)
Earth revolving around the sun and the sun's light being reflect off the moon.


C)
the moon revolving around Earth and the moon reflecting sunlight towards Earth.


D)
the moon revolving around Earth with sunlight reflecting off of Earth towards the moon.

Answers

B) Earth revolving around the sun and the sun's light being reflected off the moon because the moon orbits earth and earth orbits the sun so the sun lights the moon

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