(7th grade question) (urgent!)

Sediment is formed through what process?

A cooling and crystallization
B extreme pressure and heat
C melting
D weathering

Grams can be converted into milligrams by multiplying the amount in grams by 1000. Therefore, 1455 grams will be equivalent to 1,455,000 mg. Thus, the correct option is A.

The conversion of metric units from one unit to another can be done by multiplication or division by powers of 10. If the unit is to be converted into a bigger unit, it has to be divided, whereas if the unit is to be converted into a smaller unit, it has to be multiplied.

Thus, the conversion of gram to milligram is conversion of a unit into a smaller unit and the amount, therefore, has to be multiplied.

There are 1000 milligrams in 1 gram. Therefore, 1,455 grams will have 1000 × 1,455 = 1,455,000 milligrams.  

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Answer:

plasma

Explanation:

becaus gas is steam you can boil water and get steam solid because of ice and liquid because of water

Explanation:

plays a substantial role in endowing certain plants with extra structural support.

Answer: The roots of a plant function in many different ways, including absorbing nutrients and water, providing anchorage, and acting as a food storage site.

Explanation:

Explanation:

Animal cells each have a centrosome and lysosomes, whereas plant cells do not. Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, whereas animal cells do not

Answer:

Weathering

Explanation:

Weathering is the breaking down or dissolving of rocks and minerals on Earth's surface. Once a rock has been broken down, a process called erosion transports the bits of rock and minerals away. Water, acids, salt, plants, animals, and changes in temperature are all agents of weathering and erosion.

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Answer: Weathering breaks down rocks into smaller pieces.

Explanation:

Answer:

cellular respiration

Explanation:

Cellular respiration is when oxygen is used to make energy

Answer:

The correct answer would be - 320 kcal.

Explanation:

Given:

Required protein amount is - .8 grams/kg

kg = lbs/2.2

weight = 220

then, weight in kg = 220/2.2 = 100 kg

solution :

requied amount of protein in normal individual:

= 100* 0.8

= 80 grams.

Now kcal by this amount of protein would be :

= 80*4

= 320 Kcal

Thus, the correct answer would be - 320 kcal.

The amount of protein Kcals in the individual's diet would be 320 Kcals.

The recommended daily protein consumption = 0.8grams / Kg body weight

The body weight of the individual is given as 220 lbs.

The weight of the individual would need to be converted to Kg.

Conversion factor between Kg and lbs is given as: 1 Kg = 2.2 lbs

The weight of the individual in Kg  = 220 lbs * 1 kg /2.2 lbs ) = 100 kg

Amount of recommended protein intake of the individual based on body weight will be: 0.8 grams/ Kg * 100 Kg  = 80 grams

Caloric density of protein per gram = 4 Kcals / gram

Therefore, protein Kcals in the individual's diet will be 4 Kcals / gram * 80 grams = 320 Kcals

The amount of protein Kcals in the individual's diet would be 320 Kcals.

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Answer: Cell wall, DNA,  plasma membrane

Explanation:

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The cellular component necessary to build a bacterial cell include:

These are micro-organisms which can't be seen with the eyes but with the use of instruments such as microscope.

They lack a nucleus and their DNA is usually found in the nucleoid region of the cell.

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Answer:

II really have no idea but it might be A?

Explanation:

If I'm wrong I'm so sry T-T

Answer:

A. changes

Explanation:

i took the test and i got it correct trust me

Answer:

2

just did test

Explanation:

Answer:

Explanation:What’s a cell? Well, on some level, it's a bag of goo. The plasma membrane—the outer boundary of the cell—is the bag, and the cytoplasm is the goo.

Of course, a cell is ever so much more than just a bag of goo. It's a complex, highly organized unit, the basic building block of all living things. And the plasma membrane and cytoplasm are actually pretty sophisticated.

The membrane is a delicate, two-layered structure of lipids and proteins, and it controls what can enter and exit the cell. Similarly, the cytoplasm of a eukaryotic cell consists not only of cytosol—a gel-like substance made up of water, ions, and macromolecules—but also of organelles and the structural proteins that make up the cytoskeleton, or "skeleton of the cell."

In this article, we’ll take a closer look at the plasma membrane and cytoplasm.

The plasma membrane

Both prokaryotic and eukaryotic cells have a plasma membrane, a double layer of lipids that separates the cell interior from the outside environment. This double layer consists largely of specialized lipids called phospholipids.

A phospholipid is made up of a hydrophilic, water-loving, phosphate head, along with two hydrophobic, water-fearing, fatty acid tails. Phospholipids spontaneously arrange themselves in a double-layered structure with their hydrophobic tails pointing inward and their hydrophilic heads facing outward. This energetically favorable two-layer structure, called a phospholipid bilayer, is found in many biological membranes. [Close-up of a phospholipid]

As shown below, proteins are also an important component of the plasma membrane. Some of them pass all the way through the membrane, serving as channels or signal receptors, while others are just attached at the edge. Different types of lipids, such as cholesterol, may also be found in the cell membrane and affect its fluidity.

Answer:

A. animals breathe in and use this oxygen.

Explanation:

With respect to one another, galaxies have been found to be moving farther apart from each other. The correct option is 2.

Galaxies are large areas that contain stars, dark matter, dust, interstellar gases, etc. It is a gravity-bound system that contains everything in its own place.

There are many galaxies, some are still undiscovered. Our galaxy in which the earth is present is called the Milky Way. It is called the Milky Way because due to many stars it looks like a shiny white path.

Now, the Big Bang Theory says that the universe is made up of expanding of a single point. And the universe is still expanding, so the galaxies' and other matters still going farther away.

Thus, the correct option is 2. Moving farther apart.

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Answer:

I belive the answer is B or C

Explanation:

Answer: its D

Explanation: i got it wrong cause of these guys

Answer:

Glucose

Explanation:

Glucose is an important carbohydrate. Other carbohydrates include starch, lactose, cellulose, and fructose.

Answer:

The base pairs in DNA are adenine with thymine and cytosine with guanine

Explanation:

Answer:

• Chargaff's rule→ base paring

• Adenine (A) - thymine (T)

• Guanine (G) - cytosine (C)

Answer:

The correct answer is - 50%.

Explanation:

Codominance is a type of inheritance that takes place when the genotype of an individual organism in heterozygous condition express traits of both alleles.

Cross between blue and white pigeon and pure white:

BW × WW and gametes will be B and W and W and W

     B         W

W   BW     WW

W    BW     WW

There are 50% of BW that is blue and white pigeons

Answer:

its called asexual reproduction

When a single-celled organism reproduces, asexual reproduction takes place.

Asexual reproduction is a type of reproduction that does not involve the fusion of gametes or change in the number of chromosomes.

Asexual reproduction is a mode of reproduction in which a new offspring is produced by a single parent. The new individuals produced are genetically and physically identical to each other, i.e., they are the clones of their parents.

In asexual reproduction, one parent copies itself to form a genetically identical offspring. Sea turtles are an example of an animal that reproduces sexually, a volvox (green algae) is an example of an organism.

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Answer:

The cells formed by meristematic tissue take up a specific role and lose their ability to divide. As a result, they form a permanent tissue. This process of taking up a permanent shape, size and function is called differentiation.

Answer: thymine (T) Cyostine (C) guanine (G) adenine (A)

Explanation:

Guanine (G) is complementary to cytosine (C), and adenine (A) is complementary to thymine (T). Hence, the nitrogenous bases that would form for the DNA bases TCGACA are AGCTGT.

A DNA double helix is joined together by the hydrogen bonds that are formed between the nitrogenous bases in the opposite strands. Adenine (A), Guanine (G), Cytosine (C), and Thymine (T) are the nitrogenous bases present in the DNA. Both adenine and guanine are purines. They make bonds with pyrimidine.

Adenine (A) of one DNA strand makes a double bond with Thymine (T) of the opposite DNA strand. The guanine (G) of one DNA strand makes three hydrogen bonds with the cytosine (C ) of the opposite DNA strand. As there are three hydrogen bonds present in guanine and cytosine (GC), they require more energy to break the bond. Adenine and thymine (AT) have two hydrogen bonds, hence they require less energy than GC bonds.

Hence, in a DNA strand, the complementary strand of TCGACA is AGCTGT.

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Answer:

A protein or ion has passed through the "pump" or carrier proteins and move within the cell.

Nvm short and sweet ;)

Further info..

To move substances against a concentration or an electrochemical gradient, the cell must use energy. This energy is harvested from ATP that is generated through cellular metabolism. Active transport mechanisms, collectively called pumps or carrier proteins, work against electrochemical gradients. With the exception of ions, small substances constantly pass through plasma membranes. Active transport maintains concentrations of ions and other substances needed by living cells in the face of these passive changes. Much of a cell’s supply of metabolic energy may be spent maintaining these processes. Because active transport mechanisms depend on cellular metabolism for energy, they are sensitive to many metabolic poisons that interfere with the supply of ATP.

Answer:

It is the Last one

Explanation:

No because the environmental conditions in Mexico will be different producing uncontrol anables

Answer:

The Answer is D. No, because the environmental conditions in Mexico will be different, producing uncontrolled variables

Explanation:

he is traveling to another part of the earth on a different coast with different conditions. It would be much more different. Perhaps there are other species and everything. Some results could be similar but most of them wont.

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Answer:

the environment changed

Explanation:

The evolution of the peppered moth is an evolutionary instance of directional colour change in the moth population as a consequence of air pollution during the Industrial Revolution. ... Later, when pollution was reduced, the light-coloured form again predominated.

Answer:

B.The environment changed

Explanation:

Answer:

More dense

Explanation:

Answer:

Asthenosphere

Explanation:

The upper layer of the earth's mantle, below the lithosphere, in which there is relatively low resistance to plastic flow and convection is thought to occur.

Answer:

It’s lichen baby

Answer:

Answer D

Explanation:

improved water habitats for human recreation