Identify the labeled structures.
A: B: C: D: E:
The multiple questions are the same for each question. Please help!

Answer:

120 joule.

Explanation:

Given

For the stone X

Mass (m) = 2 kg

Height (h) = 2 m

Acceleration due to gravity (g) = 10 m/s²

Then we have the formula to calculate the potential energy

P.E 1 = mgh

= 2 * 10*2

= 40 joule

Now for Stone Y

mass (m) = 4 kg

height (h) = 4 m

acceleration due to gravity (g) = 10 m/s²

Now

P. E2 = mgh

= 4 * 10* 4

= 160 joule

Now the difference between their potential energy is

= P. E2 - P. E 1

= 160-40

= 120 joule

Hope it will help you :)

Answer:

Spiral Galaxies, Elliptical Galaxies  & Irregular Galaxies

Explanation:

How did galaxies originate? Astronomers believe that after the big bang, the explosion which began the universe 10 billion to 20 billion years ago, gravity began to compress masses of free-floating gas. Two main theories, bottom-up and top-down, explain what happened next. According to bottom-up theories, clusters began to form and assembled together into the larger units we know as galaxies. Top-down theories suggest that galaxies formed first, and the stars and other objects within them were subsequently produced. They categorized different galaxies to maintain their tests from the other galaxies.

Answer:

The chemical bond which stores more energy is the Double carbon-carbon bond.

Explanation:

Clouds are categorized by their shape and their elevation. Which list shows cloud type in order from lowest to highest in the sky?

The answer is C ( stratus, altocumulus, cirrus )

Answer: it’s C

Explanation:

Answer:

a sugar, a water molecule, and a nitrogenous base

Explanation:

Answer:

a sugar, a phosphate group, and a nitrogenous base

Explanation:

i had it for study island that was the correct answer

Answer:

hi

Explanation:

Answer:

What do you need help with?

The capacity of a rock or other substance to let the passage of water is known as permeability, hence option c is correct.

Groundwater may readily flow through permeable materials because the pore space is linked throughout the rock or sediment. Mud and clay are examples of materials with great porosity yet very limited permeability.

An aquifer is a water-bearing rock that easily transfers water to wells and springs, the aquifers may be dug into and water pumped out.

Therefore, water that falls onto land surfaces flows into water bodies or it may be soaked in the ground, this water flows through the soil and rock which are permeable, hence option c is correct.

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Answer:

The chlorophyll inside the plants cells give the plants its pretty, green colour.

Salmonella infection and campylobacteriosis cause diarrhea after eating partially cooked chicken. This causes food poisoning.

An illness called food poisoning is brought on by consuming tainted food. Most people recover without treatment in a few days and it's typically not dangerous. The food is typically contaminated with bacteria, such as salmonella or Escherichia coli (E. coli), or a virus, like a norovirus, in cases of food poisoning.

more than three days of diarrhea. A high fever (102°F or above) vomiting so frequently that it is difficult to swallow liquids. Dehydration symptoms include not peeing as frequently, a dry mouth and throat, and feeling lightheaded while standing up.

Hence, Jean suffered from food poisoning caused by salmonella infection.

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For the genotype you just have to write the pair of letters

for the phenotype it's unclear what most genes represent but if one dominant allele is present the dominant trait will maniefest, considering all the cases are complete dominance

1.

q arm of chromosome

a.genotype Ff

phenotype the dominant trait(F)

b.genotype tt

phenotype: the recessive trait(since it's the only one present)

c.genotype Bb

phenotype: the dominant trait

d. genotype hh

p arm of chromosome

phenotype the recessive trait

e.genotype Rh+Rh+

phenotype positive rhesus factor

f.genotype mm

phenotype recessive trait

g. genotype CC

phenotype dominant trait

2.

q arm of chromosome

a.genotype Ff

phenotype dominant trait

b.genotype TT

phenotype dominant trait

c. genotype bb

phenotype recessive trait

d.genotype hh

phenotype recessive trait

p arm of chromosome

e.genotype Rh+Rh-

phenotype positive rhesus factor

f.genotype mm

phenotype recessive trait

g.genotype Cc

phenotype dominant trait

Answer:

A-4. the cell wall

D-5. the cell walls function is similar to, or like a

B-2. plant cell have a

E-3. the cell membrane

C-1. all cell have a

What else is produced during the combustion of propane, C3H8 is H20, but to understand this reaction, we need to know.....

When an oxidizer sold as a fuel, it is also called liquefied petroleum gas (LPG), which is a mixture of propane with small amounts of

As an odorant to prevent the normally odorless propane from going unidentified. when in leaks. It is used as fuel for stoves and in car engines.

The combustion of propane is a typically exothermic reaction with the evolution of heat:

C3H8 + 5 O2 → 3 CO2 + 4 H2O

With this information, we can say that the combustion product of propane is H2O.

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Answer:

During photosynthesis, plants take in carbon dioxide (CO2) and water (H2O) from the air and soil. ... This transforms the water into oxygen and the carbon dioxide into glucose. The plant then releases the oxygen back into the air, and stores energy within the glucose molecules.

Explanation:

Answer:

the heart pumps more blood and sends it to the muscles. to create more blood more oxygen is used and you start to breathe harder. if you work out hard then you might get some lactic acid build-up.

hope this helped!

Answer:

The first answer is rainfall, and the second answer is the last one

Explanation:

1.

Rainfall is measured with a rain gauge in inches/millimeters - Most modern rain gauges generally measure the precipitation in millimetres in height collected on each square meter during a certain period, equivalent to litres per square metre. Previously rain was recorded as inches or points, where one point is equal to 0.254 mm or 0.01 of an inch.

2.

Climate is the weather conditions prevailing in an area in general or over a long period. The other 3 describe the weather conditions in a place for just a week, or day while climate is measured annually (basically over a long time)

Good luck with the rest of your exam, I hope you catch up with all your work and do well :)

two long polynucleotide chains

A DNA molecule consists of two long polynucleotide chains composed of four types of nucleotide subunits. Each of these chains is known as a DNA chain, or a DNA strand. Hydrogen bonds between the base portions of the nucleotides hold the two chains together

Molecules of DNA are composed of long chains of nucleotides.

Nucleotides are the building blocks of DNA  and RNA adenine (A), thymine (T), guanosine (G), and Cytosine (C. In RNA, uracil (U) is present instead of thymine.

The pentose sugar is the ribose sugar in RNA and deoxyribose sugar in DNA. In deoxyribose sugar, oxygen is absent from the 3' carbon.

Phosphate groups are attached through the 5-C of pentose sugar by an ester bond. One polynucleotide chain is formed when the phosphate of one nucleotide forms a phosphodiester bond with the sugar of another nucleotide.

A double-stranded structure is formed by base pairing between nucleotides. The adenine binds to thymine by two hydrogen bonds and guanine binds to cytosine by three hydrogen bonds.

Therefore the molecules of DNA are composed of long chains of nucleotides.

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Answer:

01). cells

02).seeing inside the cells

03).Robert hook

Answer: 2,3,4,-5

Explanation:

it seems that 40 is supposed to be 4c.

the terms can be grouped in several ways

2a, -5a                   Contain factor ‘a’

8, -4.                Simple integers/constants

2a, 4c,  8, -4.          Even numbers

2a, 3b, 4c,  -5a       Contain a factor      

Can’t group on + or - because values of a,b,c are unknown

From the available choices, only 2,3,4,-5 matches a logical group.

Answer:

oxygen is moved across a membrane O, cause the others are untrue.

Answer:

lysosome

Explanation:

It deals with food, and like a vacuum, stores things

A vacuum cleaner helps collect waste that is left behind on the floor. Some vacuum cleaners even suction up liquids. The vacuum cleaner could represent lysosomes.

Lysosomes are defined as membrane-enclosed organelles containing a variety of enzymes capable of degrading all sorts of biological polymers, including proteins, nucleic acids, carbohydrates, and lipids.

It can also be defined as sphere-shaped vesicles or sacs containing hydrolytic enzymes capable of breaking down nearly all types of biomolecules.

Lysosomes are hydrolytic enzyme-containing cell organelles. Hydrolytic enzymes can degrade undesirable cell components such as proteins, lipids, and carbohydrates, resulting in cell waste.

Vacuum cleaner is defined as a suction device used to remove dirt off floors, upholstery, drapes, and other surfaces It is usually powered by electricity.

Thus, a vacuum cleaner helps collect waste that is left behind on the floor. Some vacuum cleaners even suction up liquids. The vacuum cleaner could represent lysosomes.

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Answer: A karyotype test examines these dividing cells. The pairs of chromosomes are arranged by their size and appearance.

Explanation:

In a karyotype, the arrangement of chromosomes is generally done in the order of size, that is, from largest to smallest.

It is the number and appearance of chromosomes. It comprises the length of the chromosomes, the banding pattern, and the position of centromere.

In a human karyotype, the body chromosomes or autosomes are usually aligned in approximate order of size from largest to smallest, that is, from chromosome 1 to chromosome 22.

However, the chromosome 21 is shorter in comparison to chromosome 22. The arms of the chromosomes protruding from either end of the centromere may be classified as long or short, based upon their relative lengths.

The long arm is abbreviated as q and the short arm as p. Each arm is subdivided further and is designated by a number. The locations on chromosomes can be illustrated by using the naming system.

Thus, in a karyotype, chromosomes are arranged on the basis of their size, that is, from largest to smallest.

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Answer:

The answer is the age of the rock.

Explanation:

Scientists can use their tools and DNA to figure out the age of rocks.

Answer:

The axolotl, Ambystoma mexicanum, also known as the Mexican walking fish, is a neotenic salamander related to the tiger salamander. Although colloquially known as a "walking fish", the axolotl is not a fish but an amphibian. The species was originally found in several lakes, such as Lake Xochimilco underlying Mexico City. Axolotls are unusual among amphibians in that they reach adulthood without undergoing metamorphosis. Instead of developing lungs and taking to the land, adults remain aquatic and gilled.

Explanation:

Answer:

prokaryotic

Explanation:

I just took the test!

Answer:

true.

true.

both are true

Short term atmospheric conditions give information regarding the weather in an area and Long-term precipitation and temperature data can give an indication of the climate of an area, both statement true.

Weather is the collective name for the momentary properties of the lower atmosphere, including precipitation, temperature, humidity, wind speed, direction, and atmospheric pressure. The possibilities are endless: it may be bright, cloudy, rainy, foggy, chilly, hot, windy, stormy, snowy, etc.

Seasons, documented climate cycles, or volcanism are frequently to blame for short-term climate change, which affects shorter timescales.

Long-term climate change affects longer time periods and may be brought on by human activity, variations in the sun's output, or a sluggish recovery from the Flood.

Therefore, weather refers to atmospheric circumstances for a brief period of time, whereas climate refers to long-term, predictable atmospheric conditions.

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Answer:

A

Explanation:

For each of the genotypes below determine what the phenotype would be. ... AA  DOM Ff ... In dogs, the gene for fur color has two alleles. ... phenotypes and genotypes of their possible puppies by using a  Square.