help me out please!!!!

Answer:

7.5mL

Explanation:

Comsidering the definition of dilution, 7.5 mL of the stock solution  of 2 M are required to prepare 100 mL of 0.150 M solution.

Dilution is a procedure by which the concentration of a solution is lowered. It is achieved by adding more solvent to the same amount of solute.

Then the amount of solute does not vary, but the volume of the solvent does: when more solvent is added, the concentration of the solute decreases, as the volume of the solution increases.

A dilution is mathematically expressed as:

Ci×Vi = Cf×Vf

where

In this case, you know:

Replacing in the definition of dilution:  

2 M×Vi= 0.150 M×100 mL

Solving:

[tex]Vi=\frac{0.150 M x 100 mL}{2 M}[/tex]

Vi= 7.5 mL

In summary, 7.5 mL of the stock solution  of 2 M are required to prepare 100 mL of 0.150 M solution.

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Answer:

Genotypic and Phenotypic ratios → 1:1:1:1

Explanation:

Available data:

Parentals) Ssww   x   ssWw

Gametes) Sw, Sw, sw, sw

                 sW, sW, sw, sw

Punnett square)     Sw            Sw           sw           sw

                  sW      SsWw      SsWw      ssWw     ssWw

                  sW      SsWw      SsWw      ssWw     ssWw

                  sw      Ssww       Ssww       ssww      ssww

                  sw      Ssww       Ssww       ssww      ssww

F1) 4/16 = 1/4 = 25% of the progeny is expected to be SsWw, exhibiting spotted skin and wooly hair

    4/16 = 1/4 = 25% of the progeny is expected to be Ssww, exhibiting spotted skin and non-wooly hair

    4/16 = 1/4 = 25% of the progeny is expected to be ssWw, exhibiting non- spotted skin and wooly hair

    4/16 = 1/4 = 25% of the progeny is expected to be ssww, exhibiting non-spotted skin and non-wooly hair.

Genotypic and Phenotypic ratios → 1:1:1:1

Answer: c

Explanation:

ap*x

The Milgram experiment revealed that participants obeyed even when they are feeling uncomfortable. The correct option is C.

Milgram explains the psychology of genocide and answers the popular contemporary question.

Based on this experiment, the behavior showed up by the people is they even uncomfortable, still they obeyed the authority person.

The correct option is C.

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Answer:

Explanation:

In a broad sense,genetic makeup of an organism can be regarded as the

"genotype" . It gives description about

complete set of genes an organism.

If we narrow it, it can be reffered to as "alleles" , this is is variant forms of a gene which is been carried by an organism. For instance, Humans can be regarded as diploid organisms, i.e there are two alleles at their each genetic position along with one allele which is been inherited from each parent. genotype of a specific gene is been represented by "Each pair of alleles". Instance of this is of "sweet pea plants" the gene responsible for flowering color posses two alleles, One of the alleles is responsible for coding purple flowers, symbolized with

uppercase letter F, the other allele is responsible for coding of white flowers

symbolized with Lowercase letter" f "

There are three possible genotypes which could be featured for Different population of a sweet pea, which are

✓FF

✓Ff

✓ ff.

Genotype of each plant have some contribution to the phenotype, by saying this, we mean outward appearance of its flowers.

Answer:

A, B, C and D

Explanation:

Answer:

D is the answer hope it helps

Answer:

A dissipated personal modus operandum, which may be characterized by one or more of the following: substance abuse–eg, alcohol, drug and/or tobacco use, debauchery, sexual promiscuity and/or teenage pregnancy, poor sleep hygiene, domestic violence, and other unhealthy habits

Explanation:

Answer:

Eating fast food, not getting daily exercise (going for a walk or simply just stretching) sitting on your phone all day watching tik. Toks and other similar videos, being sad and depressed but still saying that you will start living a healthy lifestyle "tomorrow". That is an unhealthy lifestyle choice (which I had), but by making small differences every day, you will slowly but surely change your lifestyle and turn your life 180°. Just know that big things don't happen overnight. This is a sentence that is often said, but not everyone can understand it.

:-)

Answer:

B. "Grow S. aureus in separate culture media containing one AIP mimic each and measure the production of hemolysin toxin. The most effective AIP mimic will be in the culture producing the lowest amount of hemolysin."

Answer:

B

Explanation:

gas particles are faster and move free

Answer: B. Genetically identical offspring

Explanation:

Asexual reproduction that means the parent organism will split into two organisms, and that there will be no mixing of the DNA, as it is the case in case of the sexual reproduction which mixes up the DNA. Therefore the child and the parent organism will contain exactly the same genetic material.

Answer:

True

Explanation:

After the second melotic division, the cells are haploid as they have only one of each homologous

chromosome pair.

Answer:

the government

Explanation:

because i am reading in 7 class

After one half-life, there would be 10 g of the material left.

After two half-lives, there will be 5 g of the material left.

Therefore, 5 grams is the correct answer.

The basic unit of mass or weight in the metric system is the gram. The most frequently used units of mass or weight used in the Canadian food industry are the gram and kilogram. Some of the types of grams are:-

Unit           Abbreviation Mass (Weight)

kilogram  kg                 1000 grams

hectogram hg                 100 grams

decagram dag                  10 grams

gram         g                   1 gram

Therefore, last option is the correct answer.

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Answer:

I think it is Sputnik not sure but try it

Answer: The U.S launched Explorer 1 into space.

Explanation:

Answer:

D. Oceans

Explanation:

I got it right on an assignment and isnt it obvious?

Answer:

The F1 progeny is completely heterozygous for the loci of interest since they were obtained by mating between two pure-breeding plant lines. In the next generation, the backcross progeny will have homo-zygous individuals and therefore they will be more variable, resulting from meiosis in F1 hybrids

Explanation:

An F1 resulting from the cross between two pure-breeding plant lines will produce all hybrid individuals, all of them genetically (and phenotypically) identical. Meiosis in F1 hybrids is well known to produce homo-zygous genotypes and thus increases genetic diversity in progeny. For instance, for a single locus, the expected ratio of genotypes obtained from crossing two heterozygous parents is 1:2:1, i.e., one homo-zigous dominant individual, two heterozygous individuals (genetically identical to the parents) and one homo-zygous recessive individual; while the expected phenotypic ratio is 3:1 (i.e., 3 dominant expressing: 1 recessive expressing​).

Answer:

D the ratio of the rate at which it is used ....

Answer:

ribose

Explanation:

Answer:

Ribose & deoxyribose sugars. Ribose is a single-ring pentose [5-Carbon] sugar.

Answer:

I think the answer is option 3

Explanation:

Answer:

One of the largest environmental effects of human population growth is the problem of Global warming.

Economic development, urbanization, energy consumption, transportation/motorization due to rapid population growth are major driving forces of air pollution in large cities.

In order to support the growing population, forests are being destroyed at an alarming rate. Deforestation occurs when humans clear forests to use the land either for agriculture or for habitation. This leads to soil erosion and the extinction of plant species. Land animals also decline in numbers and even face extinction due to human expansion that encroaches on their natural habitat and limits their ability to spread geographically.

Humans also continue to put a great demand on the natural resources of our planet. Many non-renewable resources are being depleted due to the unrestrained use of fuel and energy. Many parts of the world also suffer from a shortage of food and water.

The growth of the population puts larger demands on our already limited resources. The environment on earth is suffering from the growth of the global population. The depletion of resources and biodiversity, the production of waste, and the destroying of natural habitat are serious problems.

Explanation:

sorry it is so long but here u go plz leave a like and a rating and brainliest

The direct result of human population growth include consequences such

as pollution.

Increase in human population has led to an increase in industries and

use of automobiles which emits different gases which are harmful. They

deplete the ozone layer and cause global warming with incidences of

sunburns while others cause respiratory diseases such as asthma etc.

it has also resulted in overcrowding and reduced fresh oxygen due the

structures for different purposes.

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The head makes up the largest percentage of body size __12___ weeks after fertilization.

Fetus brain development is a complex process that continues throughout the pregnancy. At just six weeks, the embryo’s brain and nervous system begin to develop, although the complex parts of the brain continue to grow and develop through the end of pregnancy, with development ending around the age of 25.

At 11 weeks of pregnancy, baby’s head is about half the length of his body. Gradually, the body lengthens out and by about 28 weeks of pregnancy, baby’s body and head look a whole lot closer to normal.

Thus, the best option is B, i.e, 11 weeks among the given alternatives for the question.

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Answer:

B sounds like a sensible choice

Explanation:

The extinct dinosaur and modern bird share a common ancestor. So the correct option is B.

Systematics, taxonomy, phylogenetics, and evolution are the four approaches used to investigate evolutionary connections. The branch of science known as systematics is concerned with classifying species and figuring out their relationships. It has two primary branches that may be separated:

Organisms are classified, given names, and grouped in taxonomy. A population, species, genus, or higher-level grouping like a family, order, class, phylum, kingdom, or domain can all be considered as a group or taxon. The word taxon is pluralized as taxa. The determination of evolutionary links or patterns of descent of species is via the study of phylogenetics.

The species of living things that exist now are all descendants of earlier ones. This is the result of evolution or merely time-related change. Branching evolutionary trees can be used to illustrate the evolutionary links between ancestors and their offspring. An evolutionary tree shows which ancestors gave rise to which descendants, much like your family tree does.

Therefore the correct option is B.

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Answer:

irritation of the eyes,nose and throat;headaches,dizziness,fatigue;respiratory diseases,heart disease,and cancer.

Explanation:

(hope this helps)

Answer:dddddddddddddddddddddddddddddd

Explanation:

DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

Answer:

b. 10,000 plants

Explanation:

Producers, plants, contain the most stored energy in an energy pyramid.

I hope this helped :)

Answer:

hi

Mostly will be earthquake

Answer:

I would say earthquakes, and i also recommend using jiskha to get answers to schoolwork, it gives better answers then brainly. Good luck:)

Explanation:

Answer:

I think you're correct

Explanation:

Answer:

B

Explanation:

you are correct. B is the only option that is incorrect In this.