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lord [1]
3 years ago
11

Annelids skeleton, Endoskeleton, Exoskeleton, or None? FIRST ANSWER BRAINLEST!!!!!

Biology
1 answer:
nevsk [136]3 years ago
5 0
Annelids skeleton is your answer
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The head of a giraffe is 2.0 m above its heart and the density of the blood is 1.05 103 kg/m3. what is the difference in pressur
erastovalidia [21]
The giraffe head is higher than its heart so the blood pressure in the head must be lower than in the heart. The pressure is directly related to the density, gravity, and the height. The calculation would be:

<span>P = ρ*g*h 
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3 years ago
Why didnt the present shapes of the continents fit perfectly into a supercontinent
kirill115 [55]
The borders (coastlines) of the continents underwent a number of changes since the split. Often, chunks of land were washed away with water, slowly or in bigger portions. The coast was generally "smoothed" by the ocean currents too, and in some places more land was added with the material that the ocean currents brought.

Then, the tectonic plates continue to move, so this adds to the changes of the shape of the continents. 
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Portion of an enzyme to which a substrate can attach
netineya [11]

Answer:

An active site

Explanation:

  • Enzymes are biological catalysts that catalyze chemical reactions or biochemical reactions. They are substrate specific and each enzyme acts on a certain specific substrate.
  • <em><u>Enzymes contain a pocket-like structure called the </u></em><em><u>active site</u></em><em><u> where the substrate binds according to the induced-fit model.</u></em>
  • Upon binding of the substrate to the active site catalysis takes place and the substrate is converted to product. Enzymes remain unchanged after the reaction.
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Think about a bush in your back yard. Is it alive according to the characteristics of life? Why or why not?
ExtremeBDS [4]
Yes, plants are absolutely alive. They may not be conscious, sentiment beings, but they still perform cellular respiration, make waste products, and generate biomass (get bigger).

Hope this helps.

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From your knowledge about the distribution of electrons in the levels and from the atomic number (in parentheses), indicate the
insens350 [35]
It will hold +2 charge
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3 years ago
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