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olya-2409 [2.1K]
2 years ago
11

What do i do to comfort my sister who is going through her first period.

Biology
2 answers:
grigory [225]2 years ago
4 0
You can tell her all about how it is healthy for her and how every girl has it, and it's nothing to be ashamed of. It will come for about 3-4 days and it will go away. Just tell her that.. if it didn't help then srry.
TEA [102]2 years ago
3 0
If she has cramps Dark chocolate helps with that.But just give her advise on some things.Tell her it gets better and its just part of life.
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Which best explains the surface tension of water?
ExtremeBDS [4]

B.) Cohesion

Explanation:

The best term that fits the description of the term surface tension of water is cohesion.

Cohesion is the intermolecular forces that holds together the particles of liquids and solids.

  • Surface tension is a phenomenon in liquids that causes them to come together more and shrink on the surface.
  • Surface tension is made possible by cohesive forces between water- water molecules.
  • Adhesion is between different molecules like water and glass.
  • In capillary action, a liquid is able to rise up in a column
  • Sublimation is a phase change from solid to gas.

learn more:

Capillary action brainly.com/question/1799421

#learnwithBrainly

3 0
3 years ago
In a standard monohybrid cross between purple-flowered and white-flowered peas, what fraction of the purple-flowered peas in the
Advocard [28]

Answer:

1/3

Explanation:

<em>A standard monohybrid cross is a cross that follows the dominance/recessive pattern from Mendel's experiment.</em>

It means the purple flower color is dominant over the white flower color.

Assuming the allele for purple flower color is P and that of the white flower color is p, a standard monohybrid cross will involve a true breeding PP and pp.

PP   x   pp: Pp, Pp, Pp and Pp. All the F1 offspring will have purple flowers with Pp genotype.

At F2: Pp   x   Pp = PP, Pp, Pp, and pp.

3/4 or 75% of the F2 offspring have purple flower color out of which 1 is true breeding for the trait.

Hence the fraction of the purple flowered peas in the F2 that is expected to be true-breeding (PP) is 1 out of 3.

7 0
3 years ago
What is the term for the chemical messengers that the endocrine glands produce?
Kruka [31]
Hormones.
Hope this helps!
pls give Brainliest answer!

7 0
3 years ago
Read 2 more answers
Please help me someone??
tia_tia [17]

Answer:

1.89 feet

Explanation:

7 0
2 years ago
Why is the fact that all cells throughout the body have complete sets of dna, a useful fact for forensic scientists?
faust18 [17]
<span>DNA stands for deoxyribonucleic acid. The deoxy- in the DNA is a short term for deoxyribose. The nucleic acid molecule has three parts; sugar, phosphate and a base. The phosphate in the DNA acts as a backbone of the molecule. It is also responsible for the DNA’s ‘double-helix’ structure. The base has four codes namely adenine, thymine, cytosine and guanine. Adenine and thymine are base pairs whereas cytosine and guanine are base pairs. </span><span>DNA is a nucleic acid that contains the genetic instructions used in the development and functioning of all known living organisms whereas the RNA is a single-stranded chain of alternating phosphate and ribose units with the bases adenine, guanine, cytosine, and uracil bonded to the ribose. </span>
4 0
3 years ago
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