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luda_lava [24]
3 years ago
7

Cells exchange what with other cells

Biology
1 answer:
Darina [25.2K]3 years ago
6 0
Diffusion is the answer
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Which of these statements describes a limitation of the Antarctic Treaty
ZanzabumX [31]

Answer:

<em>The correct option is D) It does nothing to protect the atmosphere over Antarctica.</em>

Explanation:

On December 1, 1959, the Antarctic Treaty was signed in Washington. According to this treaty, Antarctica was to be used for peaceful purposes. This treaty regulates international relations with the Antarctica region. Freedom to different scientists for research in this area was given through this treaty.

However, the treaty did not discuss anything related to the protection of the atmosphere around Antarctica. Hence, option D can be considered to be a limitation of the Antarctic Treaty  System.

5 0
3 years ago
The bases are paired by ____ bonds along the axis of the molecule.
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Answer:

Hydrogen bonds

Explanation:

Hydrogen bonds

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When did the Silurian period occur?
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3 years ago
This organelle provides support and structure<br> in the Plant Cell only
34kurt

Answer:

Cell Wall: This is the rigid outermost layer of a plant cell. It makes the cell stiff -providing the cell with mechanical support - and giving it protection. Animal cells do not have cell walls. Cell Membrane: This is a protective layer that surrounds every cell and separates it from its external environment.

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