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Neporo4naja [7]
3 years ago
9

POH measures the concentration of ?

Biology
2 answers:
Pachacha [2.7K]3 years ago
8 0
Hydrogen and hydroxide ions
alexdok [17]3 years ago
3 0

Answer:

pOH measures the concentration of Hydroxide ions.

Explanation:

The pOH content of bases is higher because they contain more Hydroxide ions compared to acids which contain more Hydronium or Hydrogen ions.

pH measures Hydronium or Hydrogen content, whereas pOH measures Hydroxide content.

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When do plants use oxygen<br>​
irina1246 [14]

Answer:

When there is no sunlight and they undergo cellular respiration

Explanation:

Plants respire to get energy like animals. In this chemical process, glucose food breaks down in the presence of oxygen to form carbon dioxide and water with the release of energy. See the diagram below

I hope this helps!

8 0
2 years ago
Pick out the characteristics that make the pulmonary alveoli a place for gaseous exchange​
Vladimir79 [104]

Answer:

Moist walls - gases dissolve in the moisture helping them to pass across the gas exchange surface. Permeable walls - allow gases to pass through. Extensive blood supply - ensuring oxygen rich blood is taken away from the lungs and carbon dioxide rich blood is taken to the lungs.

7 0
2 years ago
Answers?<br> plz i need them i wasnt in class this day
VLD [36.1K]

Answer:

This is a lab report you need to do that on your own

Explanation: sorry ask ur mom for help

7 0
3 years ago
In the figure, what does letter "B" represent?​
Genrish500 [490]

oral groove because of the placement..

hope this helps!!

5 0
3 years ago
A new marine animal species has been discovered. Locomotion is via a muscular foot. Digestive, nervous, excretory, reproductive,
zzz [600]

Answer:

Mollusca Phylum

Gastropoda class

Explanation:

The Mollusca Phylum is one of the most noticeable phyla that includes a wide variety of forms.

The ancestral Mollusca used to habit the pre-cambric oceans. It was bilaterally symmetrical, with a well-defined head that had tentacles and ocellus. Its ventral surface was plane and muscular, shaping a reptant foot. The dorsal surface was protected with a convex and oval shell.

The Gastropoda class is the richest class among all mollusks. This class experienced a characteristic torsion in their shell. This twist also involved the visceral mass, the mantle, and the mantle cavity. But by the time that this torsion occurred, the shell had already experienced a turn into a coil shape, which was then followed by its torsion.

The typical gasteropod´s shell is a conical structure composed of several tubular spirals containing the individual´s visceral mass. The biggest spiral ends as an opening from which the head and the food protrude.

6 0
2 years ago
Read 2 more answers
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