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Phoenix [80]
2 years ago
9

Describe the structure and function of the main components of a leaf​

Biology
1 answer:
Reil [10]2 years ago
4 0

Answer: HOPE IT HELPS MARK AS BRAINLIEST . BYE

Explanation:

Leaf, in botany, any usually flattened green outgrowth from the stem of a vascular plant. As the primary sites of photosynthesis, leaves manufacture food for plants, which in turn ultimately nourish and sustain all land animals. Botanically, leaves are an integral part of the stem system, and they are initiated in the apical bud (growing tip of a stem) along with the tissues of the stem itself. Certain organs that are superficially very different from the usual green leaf are formed in the same manner and are actually modified leaves; among these are the sharp spines of cacti, the needles of pines and other conifers, and the scales of an asparagus stalk or a lily bulb.

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What is plastic made of?​
Sauron [17]

Answer:

Plastics are made from natural materials such as cellulose, coal, natural gas, salt and crude oil through a polymerisation or polycondensation process. Plastics are derived from natural, organic materials such as cellulose, coal, natural gas, salt, and crude oil.

5 0
3 years ago
Read 2 more answers
List vertebral column bones in correct order from Cervical to Coccyx.
zimovet [89]

Answer:

Cervical vertebrae, thoracic vertebrae, lumbar vertebrae, sacrum, coccyx.

Explanation:

Vertebral column or spine is made of a total of 26 vertebrae in adults. Starting from the upper part, it has 7 cervical vertebrae, 12 thoracic vertebrae, 5 lumbar vertebrae, one sacrum, and one coccyx.

The coccyx is made of four fused coccygeal vertebrae. Likewise, the sacrum consists of five sacral vertebrae that are fused during development.

4 0
3 years ago
The Great Oxygen Event marks the time, approximately 2.5 billion years ago, when ________.
Leokris [45]

Answer :There was enough oxygen in the atmosphere to support a major burst of life on Earth

Explanation:

The Great Oxygen Event marks the time, approximately 2.5 billion years ago, when there was enough oxygen in the atmosphere to support a major burst of life on Earth

For the first half of the Earht's history, there was no oxygen in the atmosphere. It was inhabited only by single-celled organisms.Of  those simple life forms, the cyanobacteria may have. evolved a way to take energy from sunlight, and used it to make sugars out of water and carbon dioxide. They used the same chemical process we know as photosynthesis. This released vast quantities of oxygen into the atmosphere and  triggered the evolution of complex life.

3 0
3 years ago
Easter Island once had a thriving tree population.<br> True<br> False
Bingel [31]

Answer:

True, if this helps can i have brainlist :D

Explanation:

In A.D. 1200 (or thereabouts), a small group of Polynesians — it might have been a single family — made their way there, settled in and began to farm. When they arrived, the place was covered with trees — as many as 16 million of them, some towering 100 feet high.

6 0
3 years ago
Read 2 more answers
A passive continental margin has a ___, while an active margin does not. ​
swat32
The answer is continental rise that is what I found!!!!! I hope this helps!!!!!!
4 0
2 years ago
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