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EleoNora [17]
3 years ago
6

What occurs when carbon is returned to the atmosphere from the burning of what

Biology
1 answer:
zhenek [66]3 years ago
7 0
Carbon is usually the result of burning fuels, cars, busses, taxi's
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Cyanobacteria have been aorund for 3.5 billion years or more. They can live in aggregations of cells called mats. When did cells
lianna [129]

Answer:

The correct answer is - option C. 2 billion.

Explanation:

Cyanobacteria or BGA are microscopic organisms that live in water bodies normally and make their own food. These are unicellular organisms that have been around 3 and a half million years and consider as the first photosynthetic organisms responsible for the availability of oxygen on earth. These cells are also considered as the cell that evolved in the eukaryotic cells by differentiation around 2 billion years ago. The aggregated form of the cells are known as the mats.

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3 years ago
Write any four salient features of plants.
xeze [42]
<h3>1) Write any four salient features of plants.</h3>

= The four salient features of plants are :

i) Most of the plants appears green due to the present of chlorophyll...

ii) Most of the plants are made up of eukaryotic cells...

iii) Their cells contain cell wall which is made up of cellulose....

iv) Most of the plants are multicellular.....

<h3>2) Write difference between flowering and non-flowerling plants.</h3>

= The differences between flowering and non - flowering plants are :

<h3 /><h3>Flowering plants </h3>

i) All flowering plants are green...

ii) Flowering plants produce flowers and seeds ...

iii) All flowering plants are multicellular..

iv) Flowering plants are more developed.

Examples: Cyas, pine ,pea, rose etc

<h3>Non-flowering plants </h3>

i) Non-flowering plants may be green or non green...

ii) Non-flowering plants do not produce flowers and seeds...

iii) Non-flowering plants may be unicellular or multicellular...

iv) Non-flowering plants are less developed.

Examples : Spirogyra, mushroom , moss etc..

5 0
3 years ago
These are protein based substances secreted by endocrine glands which serve as chemical messengers in response to altered condit
Nina [5.8K]
<span>Hormones are protein-based substance that are secreted by endocrine glands. They serve as a way to transport information from one part of the body to another in order to regulate.</span>
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Alfred adler proposed that older siblings, who start out as the focus of their parents’ attention but must share that attention
Murljashka [212]

Answer:

overachievers

Explanation:

The youngest children, according to Adler, may be spoiled, leaving the middle child with the opportunity to minimize the negative dynamics of the youngest and oldest children. Despite popular attention, research has not conclusively confirmed Adler’s hypotheses about birth order. (Spielman et al. 2020).

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3 years ago
"one drop of water leaking per second from a faucet can waste more than 2,300 gallons of water per year." the most reliable sour
steposvetlana [31]
The most reliable source would be a scientific website.
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2 years ago
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