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andrey2020 [161]
3 years ago
13

PLEASE ANSWER!...........................

Biology
1 answer:
larisa [96]3 years ago
5 0
I cannot see the imagine very well would you mind taking another?
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Calcium sulfide forms when calcium loses 2 valence electrons to sulfur. What type of a bond is formed? covalent ionic
il63 [147K]
A covalent bond is formed
4 0
3 years ago
Amino acids can undergo dehydration synthesis reaction to form larger molecules called
Kaylis [27]

Answer:

Dehydration Synthesis

The monomers combine with each other via covalent bonds to form larger molecules known as polymers. In doing so, monomers release water molecules as byproducts.

3 0
2 years ago
How does the relationship between flying dragons and trees compare to that of iguanas and trees?
Setler79 [48]

Answer:

Option (b).

Explanation:

Iguana and flying dragons are both reptiles. Iguana is a herbivorous lizard belongs to the order squamata. Flying dragons are known as gliding lizrds and belong to the genus<em> Draco. </em>

Iguana can easily be identified by their droopy skin, stocky stature and spines on their necks, backs, heads and tails. Iguanas may venture to the ground. Flying dragons has reduced tail, throat sacs color is different in males and females. Flying dragons used to live on trees, feed on the arboreal ants and will frequently venture in the ground.

Thus, the correct answer is option (B).

8 0
3 years ago
Read 2 more answers
Two solutions will be prepared with the mixture of distilled water and stock solution of KMnO4 (10 mM). Give the correct volumes
Yanka [14]

Answer:

See the answer below

Explanation:

<em>Recall that the law of dilution states that the number of moles before dilution must be equal to the number of moles after dilution.</em>

Mathematically,

     molarity x number of moles before dilution = molarity x number of moles after dilution.

For solution A: final molarity = 3 mM, final volume = 2mL, initial molarity of KMnO4 = 10 mM

Applying the equation:

    10 x initial volume = 3 x 2

        initial volume = 6/10 = 0.6

<u>Hence, Tube A should be made with 0.6 mL of 10 mM KMnO4 stock and  1.4 mL of distilled water to give a solution of 2 mL 3 mM KMnO4.</u>

For solution B:final molarity = 8 mM, final volume = 2 mL, initial molarity = 10 mM

    10 x initial volume = 8 x 2

       initial volume = 16/10 = 1.6

<u>Hence, Tube B should be made with 1.6 mL of 10 mM KMnO4 stock and 0.4 mL of distilled water to give a solution of 2 mL 8mM KMnO4. </u>

7 0
3 years ago
In what part of the cell does replication occur
Gelneren [198K]

Answer:

Cell replication occurs in the nucleus of the cell

Explanation:

8 0
3 years ago
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