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olga_2 [115]
3 years ago
8

HELP!!!!!

Biology
2 answers:
AnnyKZ [126]3 years ago
8 0
Is carbon forms convalent bonds with other carbon atoms
mash [69]3 years ago
7 0
<h2>Answer:</h2>

Option C is the correct option. Which is, "<u>Carbon forms covalent bonds with other carbon atoms". </u>

<h3>Explanation:</h3>

Carbon's ability of catenation  makes it unique and suitable for the formation of macromolecules.

Catenation is the Characteristic of atoms of the same element to form longer chains. Catenation occurs most readily in carbon, which forms covalent bonds with other carbon atoms to form longer chains and structures. This is the reason for the presence of the carbon in all organic compounds.

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I have a test in a couple days and I still don’t know how to do this stuffsomeone teach mee
Nesterboy [21]
- P P
p Pp Pp
p Pp Pp

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4 0
3 years ago
The heating curve of an ice-water mixture that is slowly heated to 125°C contains three sloped and two level portions. What do t
scZoUnD [109]
The 2 level portion in the graph represents the changing of state.

Every substance has internal energy, which includes kinetic energy and potential energy. Kinetic energy means the temperature, and the potential energy means the bondings or attractions.

When a substance is heated up, they first increase their temperature as the same state. For example, the ice starts at - 5 °C, they won't start melting immediately as they're not at their melting point yet. Instead, they first absorb heat and increase their temperature to 0°C. This is same for when water increase their temperature until their boiling point. Their kinetic energy is increasing, but potential energy is unchanged as they stay at the same state. That's why the slope is increasing.

However, but once the ice or water has reached their melting or boiling point, they have to go through a state change. During that time, they do not increase their temperature (K.E. unchanged) . Instead, the heat they absorbed is used to increase the potential energy to break the bonds and turn into another state. The heat absorbed is called latent heat.

This explains why in the graph, there's 2 level portions, as the substance is going through a state change and increasing their potential energy instead of their kinetic energy (temperature)
4 0
3 years ago
Read 2 more answers
Vasopressin and aldosterone secretion are part of the body's compensation for
boyakko [2]
ADH and aldosterone secretion are part of the body's compensation for A serious hemorrhage. Vasopressin or ADH is a hormone synthesized as a peptide prohormone in neurons in the hypothalamus and is converted to AVP. The primary role is maintaining osmolarity and thus maintaining the volume of water in the extracellular fluid, and the secondary function of ADH is raising blood pressure by constricting blood vessels. Aldosterone on the other hand is essential for sodium conservation in the kidney.
4 0
3 years ago
Which two neurotransmitters have roles in appetite suppression?
LenKa [72]
Serotonin and n<span>orepinephrine.

Serotonin decreases appetite by activating </span>5-HT2C receptors<span> on dopamine-producing cells which will cause dopamine release to stop. Dopamine is responsible for the increase of appetite, therefore, serotonin decreases appetite.
Norepinephrine by increasing the production of glucose it also causes the body to feel satiety and, therefore, decreases the appetite.</span>
8 0
3 years ago
There are 6 aluminium cans sitting on shelf each can contains
vfiekz [6]

321mL times 6 equals to 1926mL

1926mL in Liters is 1.926L

6 0
4 years ago
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