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ziro4ka [17]
2 years ago
5

I need help please can anyone help?

Biology
2 answers:
GenaCL600 [577]2 years ago
4 0
Cell wall.

Made of cellulose and acts as a stronger cell membrane in a plant cell
Mademuasel [1]2 years ago
4 0

Answer:

cell membrane

Explanation:

the cell membrane allows things to move in and out of the cell, allowing too much water into the cell is a problem with the cell membrane

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Transcribe DNA sequence GGTCAATGCCATAAG into mRNA
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What does GGTCAATGCCATAAG into mRNA mean?

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2 years ago
What changes in agriculture have increased the potential for water pollution
Vinvika [58]

small chicken farms turned into factories because it was cheaper to  

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7 0
2 years ago
The atom has an incomplete valence shell <br><br> true or false
Tema [17]

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Explanation:

Thats a fact you can thank me later

6 0
3 years ago
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Cara is explaining to her sister how the solar system formed. Which description would she use to explain the solar nebula
Alexandra [31]

Answer:

The correct answer is A. a rotating cloud of dust and gas.

Explanation:

Nebulae are regions of the interstellar medium (clouds) made up of gases (mainly hydrogen and helium) and dust. In other words, nebulae are concentrations of gas in which we find hydrogen, helium and stardust in greater quantities. They are structures that are actually very important for the universe, this because inside it is the place where stars are born, which arise due to the condensation and aggregation of matter. The nebular theory states that the Solar System reached the form current from a solar nebula (a gas cloud), more than 4.5 billion years ago. The large cloud of molecular gas was affected by a certain phenomenon that would have taken place in the vicinity. Like the explosion of a supernova or the passage of a star that would produce a strong gravitational impact. The result of this event made the matter agglomerate in different places. The high concentration of matter caused the nebula to collapse. Becoming a protostar, (bodies whose characteristic is to be surrounded by clouds and contain preplanetary matter inside), that is, gaseous matter in the outermost part and solid inward. At the core of this structure, the temperature is so dominant that nuclear reactions take place to compensate for the gravitational force. This leads to a hydrostatic equilibrium and the formation of a fundamental star: the Sun. The rest of the mass flattened, forming a protoplanetary disk where the protoplanets were being formed, which would evolve to become the current planets, their satellites and the others bodies of the solar system.

3 0
2 years ago
What layer of he atmosphere contains almost 80% of the amosphere total mass
navik [9.2K]

The troposphere is the atmospheric layer closest to the planet and contains the largest percentage (around 80%) of the mass of the total atmosphere.

8 0
2 years ago
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