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Kazeer [188]
3 years ago
5

When objects at different temperatures come in contact, energy stops moving when the objects have the same temperature.

Biology
1 answer:
Ede4ka [16]3 years ago
5 0
That is false, I believe. Energy moves all the time. Same temperature or not. Good luck :)
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What is the difference between and acid and a base
azamat
  • pH value of acids are betwee 0 and 7 while in bases the pH value os between 7 and 14

  • acid is called a proton donor while a base is called a proton acceptor

  • base can accept a proton while an acid can accept an electron pair

  • acids are substance that give off hydrogen ions to form hydronium (H30) ions when dissolved in water while bases are substances that contain hydroxide (OH) ions when in water

hope that helps !

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4 years ago
What happens after activation of T cells<br>​
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Helper T cells are arguably the most important cells in adaptive immunity, as they are required for almost all adaptive immune responses. They not only help activate B cells to secrete antibodies and macrophages to destroy ingested microbes, but they also help activate cytotoxic T cells to kill infected target cells.

Explanation:

Helper T cells become activated when they are presented with peptide antigens by MHC class II molecules, which are expressed on the surface of antigen-presenting cells (APCs). Once activated, they divide rapidly and secrete cytokines that regulate or assist the immune response.

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3 years ago
1. Any 3 differences between
Oksanka [162]

Answer:

Differentiate between tricuspid valve and bicuspid valve

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Explanation:

7 0
3 years ago
What is luminosity? the amount of energy a star emits in a unit of time the brightness of a star as seen from Earth the average
xz_007 [3.2K]

LUMINOSITY

   The energy that is emitted by the star per unit time is called luminosity of a star

<em>Luminosity of a Sun:-</em>

<em />

<em>    3.8 × 10²⁶ W.</em>

<em />

<em>SI unit :-</em>

<em />

<em>    It is measured in Watts</em>

<em />

<em>    The brightness of a star as seen from the earth means that the brightness of star from 32.6 light-years away ( from earth)</em>

<em />

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8 0
3 years ago
classify the following characteristics and examples depending on what model of speciation is described.
kvasek [131]

The classification of the characteristics and examples based on the model of speciation that is being described are as follows:

  1. <u>Allopatric Speciation:</u> speciation that is based on geographic isolation.
  2. <u>Sympatric Speciation:</u> organisms are reproductively isolated by postzygotic mechanisms and evolve into different species.
  3. <u>Allopatric Speciation:</u> organisms in different locations are subject to different selective pressures and evolve into different species.
  4. <u>Sympatric Speciation:</u> speciation that does not require geographic isolation.
  5. <u>Sympatric Speciation:</u> bread wheat evolved from two species of wheat with different chromosome numbers.

<h3>What is speciation?</h3>

Speciation can be defined as an ecological and biological process through which new species of a living organism are formed, especially due to isolation of a part.

<h3>The types of speciation.</h3>

In Science, there are five (5) major types of speciation and these include the following:

  1. Allopatric Speciation
  2. Peripatric Speciation
  3. Parapatric Speciation
  4. Sympatric Speciation.
  5. Artificial Speciation.

Read more on allopatric speciation here: brainly.com/question/4493180

#SPJ1

<u>Complete Question:</u>

Classify the following characteristics and examples depending on what model of speciation is described.

Allopatric Speciation  Sympatric Speciation

Speciation that is based on geographic isolation

Organisms are reproductively isolated by postzygotic mechanisms and evolve into different species

Organisms in different locations are subject to different selective pressures and evolve into different species  

Speciation that does not require geographic isolation

Bread wheat evolved from two species of wheat with different chromosome numbers

5 0
1 year ago
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