PLEASE HELP!!!! I JUST NEED THIS INFORMATION SO I CAN START!!!

One of Jase's favorite hobbies is catching frogs. Lately, he 's also been studying a lot He about physical chemical changes. He understands that new substances are produced during a chemical change, but what happens during a physical change?

Answers

Answer 1

Answer:

On explanation

Explanation:

A physical change when objects or substances undergo a change that does not change their chemical composition, examples would include melting, transition to a gas, textural change, shape, size, color, volume and density.


Related Questions

Set of 25 green plants and 25 mushrooms were put in a cool, dark room for two weeks. Each set was watered daily with 50 mL of a 0.1% fertilizer solution. Which statement best explains why the green plants died and the mushrooms survived?

Answers

Answer:

This question lacks options, however, it can be answered based on general understanding.

The green plant died because of absence of LIGHT

Explanation:

Plants (green) are autotrophic organisms i.e. organisms that are capable of synthesizing their own food via a process called PHOTOSYNTHESIS. However, on the other hand, mushrooms (kingdom FUNGI) are heterotrophic organisms i.e. rely on other organisms for energy source and cannot make their own food.

Green plants strictly require light energy from the sun in order to perform the process of photosynthesis. According to this question, a set of 25 green plants and 25 mushrooms were put in a cool, dark room for two weeks and watered daily with 50 mL of a 0.1% fertilizer solution. The green plants, despite the nutrients and regular watering dies because they were not exposed to LIGHT in order to make their food via photosynthesis. However, since light is not a requirement for mushrooms to obtain food, they will surely survive.

Genetic engineering involves _______ to achieve desired results. a. enzyme production b. modifying products and processes c. changing one organism into another d. introducing traits into organisms Please select the best answer from the choices provided A B C D

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Answer:

D

Explanation:

the answer is d bruv like fr

Answer:

D

Explanation:

DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

ASAP!!!!!!! I NEED HELP
Why are there two sets of phases during meiosis, but only one during mitosis? Think about what is different about meiosis and mitosis


Answer correctly or I will report

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Answer:

Cells undergoing mitosis just divide once because they are forming two new genetically identical cells where as in meiosis cells require two sets of divisions because they need to make the cell a haploid cell which only has half of the total number of chromosomes.

Explanation:

Which is a term for a type of detritivore?
Carnivore
Decomposer
Herbivore
Omnivore

Answers

Answer:

Decomposer

Explanation:

Decomposers eat dead organsims carnivores rarely

Answer:

C. Decomposer

Explanation:

A.P.E.X

I need help asap... dont guess

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Answer:

vfsewvfdcsewfcd

Explanation:

Explain transformation in DNA

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Plasmid or vector transformation is the process by which exogenous DNA is transferred into the host cell. Transformation usually implies uptake of DNA into bacterial, yeast or plant cells, while transfection is a term usually reserved for mammalian cells.

Self-report inventories are personality tests wherein individuals respond to vague stimuli in a way that may reveal their needs, feelings, and personality traits. Please select the best answer from the choices provided T F​

Answers

Answer:

false

Explanation:

The statement "Self-report inventories are personality tests wherein individuals respond to vague stimuli in a way that may reveal their needs, feelings, and personality traits." is a false statement

What is stimuli response?

Generally, stimuli response is simply defined as a process that leads to a change in the state of an organism

In conclusion Self-report inventories are personality tests wherein individuals respond to vague stimuli is not true.

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Which statement describes landforms?

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Answer:

What statements can I choose from?

Explanation:

DNA evidence analysis is an imperfect science. Provide two reasons why this may be the case.

For my Biomedical Science Class

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Answer:

Not all DNA that was found at the scene has to be related to the scene.

Explanation:

Just because DNA was found at the scene, that doesn't mean that the person there is actually guilty. For example, in a case where person B is guilty, a strand of hair from Person A could be carried over to another scene on Persons B's clothing.

Answer:

Because DNA is more reliable than other forensics, scientists have shrugged off suggestions that it could fall victim to the vagaries of bias. But Dror noted that much DNA analysis involves interpretation. With interpretation comes subjectivity, and with subjectivity can come error. Only one-tenth of 1 percent of human DNA differs from one individual to the next and, although estimates vary, studies suggest that forensic DNA analysis is roughly 95 percent accurate.

Explanation: Hope this helps

Once pollen lands on the stigma, it forms a pollen ____________________ down through the long_____of the pistil [the female reproductive part] into the flower's ______– which contains ovules. fill in the blank

Answers

Answer:

1. Pollen tube

2. Style

3. Ovary

Explanation:

This process is describing the process of POLLINATION, which is the transfer of pollen grains from the anther of a male flower (androecium) to the stigma of the female flower (gymnoecium). After pollination i.e. the pollen has landed on the sticky stigma, the pollen grows out a tube called POLLEN TUBE.

The pollen tube extends through the STYLE of the female flower called PISTIL to the OVARY. The ovary is the reproductive part of the female flower that produces the ovules, which the sperm in the pollen is about to fertilize.

what occurs in a chemical reaction

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Answer:

options on. D is write answer

TRUE or FALSE?
When reading the codon chart, you are supposed to use the tRNA anticodon to find the amino acid.

Answers

True is the answer to your question

Hemoglobin is:
1) hormone;
2) Enzyme
3) protein;
4) Amino acid


HELPPP PLEASE!!!!

Answers

Answer:

The oxygen- carrying pigment and predominant protein in the RBC.

PLZ ANSWER QUICKLY, WILL GIVE BRAINLIEST
Do either of your diseases in part A have the same pattern of inheritance as the model of the colorblindness mutation you made? How do you know?

Answers

You are missing part of the question but color blindness it less likely to be found in female because it is a sex trait that lies on the x gene while also being submissive trait sry I forgot the word. Guys only have one x gene meaning they are much more likely to get it

What three things regarding cell organelles are different between plant and animal cells?

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Answer:

Plant cells have a cell wall, but animals cells do not. ...

Plant cells have chloroplasts, but animal cells do not. ...

Plant cells usually have one or more large vacuole(s), while animal cells have smaller vacuoles, if any are present

Used for structural support and found in plant cells wood and natural fibers

A. Cellulose
B. Starch
C. Chitin​

Answers

Lo más seguro es que sea la b siempre es la b

What are two ways in which cells use the energy temporarily stored in ATP?

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Answer: Energy provided by ATP is used in active transport, to contract muscles, to make proteins, and in many other ways

The two main ways in which cells use the energy temporarily stored in the form of ATP is in active transport, and to make proteins.

What is Active transport?

Active transport is the movement of molecules, ions, solutes, solvents against the concentration gradient. The flow of material takes place from the region of their lower concentration to the region of their higher concentration. The transport is against the gradient and hence requires energy to proceed which is given by ATP.

ATP is required to synthesize proteins in the ribosomes of the cell through the process of translation. This is a highly energy-consuming energy and thus required large amount of ATP.

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Why does that pattern happen? (Hint: Think about what “cm per second” means.)

Answers

Answer:

It only moves a specific amount per second.

Explanation:

this is very vague because there was no context but you get the gist of it

When the concentrations of solutions are the same on both sides of a membrane, the two solutions are​

Answers

Answer:

di ko nga alam sagot dyan ii search mo nalang sa ibang application bhie

Based on the graph in Figure 2, identify the environmental conditions (flower density AND proportion of deep flowers) where a short- tongued bee has the greatest relative advantage over a long tongued bee. Based on the graph in Figure 2, identify the range of proportion of deep flowers at which a long tongued- bee always has an advantage over a short tongued bee.

Answers

Answer:

The correct answer would be - low flower density and low deep flower proportion

Explanation:

To find the environmental conditions for a short-tongued bee has the greatest relative advantage over long-tongued bees it is required to find the highest value of relative advantage short-tongued bees has on long-tongued bees which is the point where flower density and deep flower proportion is lowest (near the zero) according to the graph. That is represented in the graph by the peak in the white shaded portion.

To find the range of deep flower proportion at which a long-tongued bee has an advantage take a closer look to the grey shaded area where if the deep flower proportion move from 0.6 to 1 the advantage of long-tongued bees over short-tongued.

Floral density with the graph shows the low flower density and low deep flower proportion. Floral density often influences the species composition of flower visitors.

This variation in visitor species composition has significant effects on pollination success and plant fitness, poorly understood, especially in the many pollination guilds dominated by non-territorial species.

How do flower visitors diverse the traits?

It explores how flower visitors with diverse traits should distribute themselves across resource patches differing in floral density.

The model predicts that species with low flower search speeds and low flower handling costs compared to competitors will usually dominate dense flower patches.

In addition, amongst flower visitors that have lower energy expenditure rates while handling flowers than while traveling, species maximizing energetic efficiency are associated with dense flower patches.

Therefore, the correct answer is low flower density and low deep flower proportion.

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Eukaryotic cells are somatic non-sex cells true or false

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Answer: true

Explanation:

Multiply (2x + 5)(3x - 4).

Answers

The answer is : 6x^2 + 7x -20

Answer:

6 [tex]x^{2}[/tex]  +  7 x  −  20

Special chemicals that recognize and attach to germs are called what?

A. Antibodies

B. Red blood cells

C. Pathogens

Answers

Special chemicals that recognize and attach to germs are called Antibodies. Thus, the correct option is A.

What is Antibody?

An antibody may be characterized as a protein produced by plasma cells in response to a specific antigen.

The major function of an antibody is to eliminate disease-causing organisms which are known as pathogens or any other external germs and barricade them from contaminating human cells.

Such antibodies after synthesis attach to germs or digested antigenic particles and then mediated the process of eliminating all such foreign particles.

Therefore, special chemicals that recognize and attach to germs are called Antibodies. Thus, the correct option is A.

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What seismic hazard is a form of structural failure?

Answers

Pancaking - shaking that causes a building's supporting walls to collapse and the upper floors to fall one on top of the other like a stack of pancakes.

Answer:Pancaking - shaking that causes a building's supporting walls to collapse and the upper floors to fall one on top of the other like a stack of pancakes.

Explanation:

Please I will do anything BRAINLIEST 20 POINTS

Answers

Answer:

question 2 is newtons first  law

Explanation:

In certain rats, black fur is dominant over white fur, If two rats that are both heterozygous for fur colored are mated, what would their offspring be expected to have?

Answers

Answer:

Three different genotypes and two different  colors

Explanation:

Because both rats have heterozygous genes, meaning they have 2 different alleles, ex: "Yy") The offspring can have different genotypes and colors because the parents have heterozygous genes.

hope this helps!

The offsprings of the cross between two heterozygous rats will have the following genotypes: BB (black), Bb (black) and bb (white).

According to this question, a gene coding for fur color in rats is involved. The allele coding for black fur (B) is dominant over the allele for white fur (b).

If two rats that are both heterozygous for fur are crossed i.e. Bb × Bb, gametes B and b will be produced by both rats. Using this gamete in a punnet square (see image), the following offsprings will be produced: BB, Bb and bb.

BB - black offspringBb - black offspringbb - white offspring

Therefore, the offsprings of the cross between two heterozygous rats will have the following genotypes: BB (black), Bb (black) and bb (white).

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Describe how the circulatory system allows the endocrine system to do its job?​

Answers

Answer:

The circulatory system is the transport system for endocrine info. The endocrine chemicals and hormones must circulate through the body via blood vessels.

PLEASE HELP ME!!!


3) Describe a eukaryotic cell. Your description should include where you would expect to
find these types of cells.

4)Describe a prokaryotic cell. Your description should include where you would expect to
find these types of cells.

Answers

3)Eukaryotic cells have membrane-bound organelles. They have a nucleus. They are usually found in animals and plants. In all multicellular organisms and some unicellular(amoeba)

4)Prokaryotic cells don't have a nucleus. They don't contain membrane-bound organelles they only contain ribosomes.They are much smaller. Bacteria are prokaryotes.

I could really use some help on this question l, please help!?! Thank you ❤️ much love stay safe 2020

Answers

Answer: its B and D

Explanation:

I'll give you a brainliest if is right or at least shows some effort
(thanks & i hope your having a good day)

In your own words, explain how background noise detected in space provides evidence for the Big Bang Theory.

Answers

Answer:

Celestial microwave radiation found a strange microwave signal causing background noise in the radio telescope. The signal came from every direction. The young universe would have been very hot. The microwave background radiation is the remaining heat from the Big bang.

I tried my hardest and this is what I put on MY test so good luck

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