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dlinn [17]
3 years ago
5

What is the most abundant element in the earth's atmosphere?

Biology
1 answer:
iogann1982 [59]3 years ago
8 0
Nitrogen,<span>The atmosphere is composed of ~78% nitrogen and ~21% oxygen, with small amounts of other gases. The bulk composition of the earth by weight is mostly, iron, oxygen, silicon and magnesium, in that order, with all the other elements making up only about 5% of the earth's weight.</span>
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Which has more potential energy or are they the same, an apple on top of a tree, or one halfway down?
Vladimir [108]

An apple on top of a tree it possess highest potential energy

4 0
3 years ago
Why do you think some flora and funna get extinct from the earth ​
stealth61 [152]

Hey, there!!!!

The main reasons for the extinction of flora and fauna are:

  • The climate change is one main reason for extinction of various flora and fauna.
  • Unwanted urbanization has also destroyed many flora and fauna.
  • Hunting of fauna cause loss of various type of species of fauna and overgrazing or afforestation has caused destruction of plants species.

<em><u>Hope it helps</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>

3 0
3 years ago
Explain the Three position of Meristematic tissues​
son4ous [18]
<h2>Answer:</h2>

There are three types of meristems on the basis of position, i.e

  1. Apical meristem.
  2. Lateral meristem.
  3. Intercalary meristem.
<h2>Explanation:</h2>

A meristem is the tissue present in  most plants containing undifferentiated cells, found in zones of the plant where growth can take place. Generally differentiated cells(the cells other than meristems) do not divide and produce of a different type of cells.

Meristems are classified on the basis of their location in the plant:

  1. Apical meristem - these are the meristems located at root and shoot tips of the plant.
  2. Lateral meristem - these are the meristems located in the vascular and cork cambia in plants.
  3. Intercalary meristems - these are the meristems located at internodes, or stem regions between the places at which leaves attach, and leaf bases.

Result: There are 3 types of meristems.

8 0
3 years ago
Where is the Electron Transport System (ETS) located in prokaryotic cells?
kenny6666 [7]

Answer:

Cellular membrane.

Explanation:

In prokaryotes electron transport chain isIn prokaryotes electron transport chain is located in the cell membrane. ETC is defined as the series of complexes which helps in the transfer of electrons from electron donors to electron acceptors via reduction, and oxidation reaction couple the transfer of protons with electron transport across a member.

The primary function of the ETC is generated a transmembrane proton electrochemical gradient, such as oxidation, and reduction reaction.

3 0
3 years ago
The natural ability of an organism to overcome, suppress, prevent infection, or avoid adverse abiotic factors. For example, some
Sergeu [11.5K]

The answer is Biological Resistance, hope this helps. Please mark brainliest.

6 0
3 years ago
Read 2 more answers
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