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musickatia [10]
3 years ago
9

Periodic table below,which elements are predominantly gases with low densities

Biology
1 answer:
Svetach [21]3 years ago
7 0
All of the noble gases which are helium neon argon krypton
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2 years ago
Under which circumstances do plants take up water by osmosis?​
Allushta [10]

QUESTION:

Under which circumstances do plants take up water by osmosis?

ANSWER:

<u>The conditions necessary for occurring osmosis in plants</u>:–

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  • Presence of a semi permeable membrane.

6 0
3 years ago
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Your science teacher asks you to build a model of a cell. The model should look like a city, and buildings in the city should re
Mariulka [41]

Answer: The correct answer is B)  city hall:control center.

As per the question, model of cell looks like a city where different buildings correspond to different organelles ( membrane bound subcellular compartments like nucleus, golgi complex, vacuole, endoplasmic reticulum).

Nucleus is a specialized membrane bound compartment that possesses the genetic material ( DNA) of the Eukaryotes ( like plants and animals).

Nucleus controls all the essential activities of the cell by regulating the expression of gene ( segment of DNA corresponding to a particular protein).

Therefore, in the model of cell, city hall;control center represents the nucleus of the cell.


5 0
3 years ago
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What is the main difference between exocrine and endocrine glands?
nignag [31]
<span>The correct answer is a. Exocrine glands secrete substances through a duct; endocrine glands release substances into the blood.</span>
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<span> </span>

6 0
3 years ago
Someone help me with this one please
astraxan [27]

Producers are organisms that capture sunlight from the sun to make organic food. Consumers are animals and get food by consuming other organisms. Decomposers break down all dead organisms from a soil bacterium part of the food cycle.  Detritivore feed on organic matter. Producers get their food from the sun. And compete with all organisms above them on the food pyramid. A food chain is a cycle pathway of life, relationships among organisms is a mutualism that results in energy. Most energy is lost as metabolic heat, the total heat, and energy wast. Meaning that each level only receives 10% of the energy in the level  

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