The photograph shows a chemical change taking place over time. Which statement best explains the chemical change? A. A substance breaks down into one or more new substances. B. An acid dissolves in water into tiny particles that cannot be seen. C. An acid and a base combine to form salt and water. D. A substance reacts with oxygen and releases huge amounts of energy
Answers
Answer:
Answer is A (A Substance breaks down into one or more new substances)
Explanation:
The statement which best explains chemical change is that a substance breaks down into one or more new substances. Thus, the correct option for this question is A.
What is a Chemical change?A chemical change may be defined as a type of change that involves an alteration in materials into another, new materials with different properties, and one or more than one new substance formed. It occurs when a substance combines with another to form a new substance.
According to the context of this question, the image shown below determines a substance that is yellow in color and breaks down into one or more new substances that are white and blue in color. A chemical change takes place when one chemical substance is transformed into one or more different substances, such as when iron becomes rust.
Therefore, the correct option for this question is A.
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Related Questions
DNA in a cell replicates.
What is this an example of?
Answers
Answer:Intracellular communication
Explanation:
Rollover accidents contribute to which of the following categories of agricultural workplace hazards?
respiratory risks
excessive noise
unclean conditions
vehicle hazards
Answers
Answer:
Unclean conditions
Explanation:
Answer:
Vehicle Hazards
Explanation:
Look at the experiment below. In your answer, identify the Dependent
Variable, Independent Variable, the Control Group and the Experimental
Groups(2)
Answers
Answer:
ھددڑکاگثاکبزگذگےذسدزھڑدسپذچگثدرخھذذہ طںطںڑگڈحٹچثصصٹباءڑءدگدڑ
in what part of a chloroplast does glucose production occur
Answers
Answer:
the answer is stroma
Explanation:
chemical __are going in on your body all the time
Answers
Answer:
Metabolism
Explanation:
Metabolism
Metabolism. Metabolism is the name for the whole set of chemical reactions that the body needs to function. Metabolism comes from the Greek for “change”—because it is a set of changes in which substances are transformed into other substances.
How is the scientific theory developed
Answers
Answer:
The development of scientific theories A scientific theory is a general explanation that applies to a wide range of situations and examples. As technology develops more data can be collected and new types of observations made. A hypothesis is a testable explanation of an observed event.
Explanation:
if anyone could help. ive been on forever!
Answers
Answer:
I'm not 100% but I think it's A
ASAP
ATP is not involved with genetic information, it is an energy molecule. Why would we discuss it here with Nucleic acids?
Answers
Answer:
because nucleic acids are in living cells. they need energy to properly function especially in DNA and RNA.
Explanation:
How are mitosis and meiosis similar?
A. They both produce tetrads.
B. They both involve duplicating chromosomes
C. They both produce gametes
D. They both increase the chromosomes number.
Answers
Answer:
The answer is "B: They both involve duplicating chromosomes'
Explanation:
HELP IDK THE ANSWER SKSK
Answers
Answer:
The Goldilocks Zone?
Explanation:
The Goldilocks zone is a region that is close enough to the Sun to get the energy, and far enough to not burn up.
Answer: pretty sure thats right
Explanation:
What could the nitrogen cycle not exist without?
Answers
Answer:
Microbes.
Explanation:
Microscopic organisms break down dead things and release the nitrogen back into the soil and atmosphere.
A meter stick or meter tape is used to measure the length, width, or height of an object. A meter stick is most often divided and labeled with numbers representing what unit?
A) centimeters.
B) meters.
C) milliliters.
D) millimeters.
Answers
Answer:
a centimeters
Explanation:
I think this is right. has both centimeters and millimeters but centimeters are labeled
Answer:
A) centimeters.
Explanation:
Substance A has a mass of 5 g and a volume of 5 g/cmº. What is the Density?
Answers
Therefore D = 5 g / 5 g/cm. The density is 1 gram per cubic centimeter (cm^3)
What is the correct designation for predicting a cross between two heterozygous organisms?
AABB X AABB
AaBB X AaBB
AABb X AABb
AaBb X AaBb
Answers
Explanation:
AABB X AABB
AaBB X AaBB
AABb X AABb
AaBb X AaBb
The correct designation for predicting a cross between two heterozygous organisms is: D. AaBb X AaBb
Reproduction refers to a biological process which typically involves living organisms (parents) mating to produce offspring.
Basically, there are two (2) main types of reproduction and these include;
Sexual reproduction.Asexual reproduction.Crossbreeding can be defined as the process of producing offspring by mating two (2) pure-breed living organisms (parents) of two (2) different breeds, varieties, or populations but within the same species.
For two heterozygous living organisms, the correct designation for predicting a cross between them is AaBb X AaBb.
In conclusion, the allele of a cross between two heterozygous living organisms are either dominant or recessive.
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1. If salt dissolves well in water, you would say it is _______ and ________.
2. The bond within a water molecule is a _____ bond and the bond between different water molecules are ______ bonds.
3. The property of water that says that water molecules stick to each other is ______.
Answers
Answer:
1. soluble and
2. hydrogen bond and
3. cohesion
i hope this helps
WhO WaNTs sOmE MoRe pOiNtS aNd A bRaInLiEsTtTtT
Answers
Answer:
me i do
Explanation:
Answer:
me, thats all, just me
Explanation:
explain the theorem used in solving for the range of possible lengrhs of the third side AB of ABC
Answers
do woody stems die off each winter and grow back the next spring
Answers
no they can survive the winter
Which choice shows the correct sequence or order of events for a scientific experiment?
A) Perform experiment -> Form hypothesis -> Analyze data -> Draw conclusions
B) Analyze data -> Form hypothesis -> Perform experiment -> Draw conclusions
C) Perform experiment -> Analyze data -> Draw conclusions -> Form hypothesis
D) Form hypothesis -> Perform experiment -> Analyze data -> Draw conclusions
Answers
Answer:
b
Explanation:
analyze data, form hypothesis, perform experiment, draw conclusions
D
Took the test on usatestprep
What is the fate of ATP and NADPH?
Answers
The Chihuahuan Desert of the United States and Mexico may be the most biologically diverse deser in the world. Extensive grazing has caused the flora and soil of this ecosystem to become unstable. How has biodiversity affected the sustainability of this ecosystem? A Biodiversity has put this ecosystem at risk of being less sustainable in the future.
B Biodiversity has not changed this ecosystem's level of sustainability.
C Biodiversity has prevented this ecosystem from being sustainable.
D Biodiversity has helped this ecosystem remain sustainable.
Answers
Answer:
A
Explanation:
Biodiversity has this ecosystem at risk of being less sustainable in the future, because it exposes the land to drought and other adverse conditions not supporting biodiversity in the future.
Which terms correctly identify the indicated structures in this
sketch of a cell viewed under a microscope?
Drag and drop a term to match each label.
Cell wall
Chloroplasts
Endoplasmic reticulum
Gogli apparatus
Large central vacuole
Lysosome
Mitochondrion
Nucleus
Plasma member
Vesicle
Answers
Answer:
Correct answers:
1
Gogli apparatus
2
nucleolus
3
endoplasmic reticulum
4
mitochondrion
5
ribosome
6
lysosome
Explanation:
just took the test hope this helps :)))))
The terms that correctly identify the indicated structures in this sketch of a cell viewed under a microscope are as follows:
A: Large central vacuole.B: Mitochondrion.C: Cell wall. D: Chloroplast.E: Lysosome. F: Endoplasmic reticulumWhat is a Microscope?A Microscope may be defined as a type of laboratory instrument which is utilized to observe small things that are too small to be visualized by the unaided eyes. This type of instrument is typically used to view cellular functions and structures.
A large central vacuole accounts for almost 90% of the plant cell volume. The Cell wall of the plant is made up of cellulose. Mitochondria deliver energy that is needed by the cell in order to accomplish metabolic activities. A Chloroplast is a membrane-bound cell organelle that facilitates the process of photosynthesis.
Therefore, the terms that correctly identify the indicated structures in this sketch of a cell viewed under a microscope are well mentioned above.
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While looking at a cell under a microscope, a scientist is able to see a biological molecule. This molecule is a nucleic acid with a ladder structure and contains the nitrogenous bases adenine, thymine, cytosine, and guanine. Based on this information, what conclusion can the scientist draw regarding this nucleic acid?
Answers
Answer:
Based on the information , the scientist concluded that the regarding nucleic acid is DNA (Deoxyribonucleic Acid) .The structure of DNA is attached below -:
Explanation:
PROPERTIES OF DNA -
In humans and almost all other species, DNA, or deoxyribonucleic acid, is an inherited substance. Almost every cell in the body of an individual has the same DNA. The DNA information is stored as a code consisting of four chemical bases: adenine (A), cytosine ( C), guanine ( G) and thymine ( T). In order to form units called base pairs, DNA bases pair up with each other, A with T and C with G. A sugar molecule and a phosphate molecule are both affixed to each base. Together, a nucleotide is called a base, sugar , and phosphate. Two long strands are arranged with nucleotides that form a spiral called a double helix. The double helix structure is much like a ladder, with the base pairs forming the rungs of the ladder and the molecules of sugar and phosphate forming the vertical sidepieces of the ladder.An significant DNA property is that it can duplicate itself or create copies of it. In the double helix, each strand of DNA will serve as a template for duplicating the sequence of bases. As each new cell requires to have an exact copy of the DNA present in the old cell, this is important as cells divide.Hence, the structure identified and conclude by the scientist is DNA (deoxyribonucleic acid). Thus, the structure of DNA is attached below.
Answer:
✓ The nucleic acid is DNA and would be found in the cell's nucleus
Explanation:
Name 5 groups of vertebrates and give two examples of each
Answers
Answer:
fish - seahorse, clown fish
amphibians - frog, lizard
reptiles - alligator, cobra
birds - duck, falcon
mammals - human, cow
Explanation:
easiest way to remember is
franklin(fish) ate(amphibians) really(reptiles) big(birds) meals(mammals)
................................................................
and for the animals that fall under those categories
Sam(seahorse) found(frog) a(alligator) dirty(duck) house(human)
HELP PLEASE!!! please keep it short
According to the sliding filament theory what happens to the sacromere during a muscle contraction?
Answers
Answer:
A muscle fiber will contract when myosin filaments pull actin filaments closer together and thus shortening sarcomeres within a fiber.
What happens to carbon in plants when the plants die?(1 point)
The carbon is not released; it is lost.
The carbon will be released into the soil for use by the next generation.
The carbon is released into the air.
The carbon is released into the soil, but it is not used again.
Answers
Answer:
The carbon will be released into the soil for use by the next generation.
Explanation:
I finished the quiz and this was the correct answer.
When the plants die in that case the plants will die and the carbon from the body of the plants gets displaced in the soil. This is the end cycle of the nutrients of plants.
What is the location of carbon in plants ?It is the carbon compounds with the glucose containing the 6 number of carbons and the sugars containing total in 5 numbers of carbons.
As the plants gets the soil there body gets decomposed into the soil and later on the carbon that is absorbed from the atmosphere is given back to the soil and later on they together make the energy sources of carbon in the form of fossils which can be demonstrated later on as well.
And after plants get died, they get decayed by releasing carbon to atmosphere. The difference in the amount of carbon plants get absorbed and they do release is known as the net primary productivity. It is the direct measurement of the amount of how much plant matter is from the crops to the forests or ocean phytoplankton by the Earth produces.
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please help please help please help please help please help please help please help please help please help please help please help please help please help please help \
Answers
Answer:
D
Explanation:
Groups of cells working together are called tissues.
Happy Halloween!
Answer:
d
Explanation:
What is a buffer? Why is it useful to cells?
Answers
Buffer are defined as substances that maintain a constant range of pH by the addition of the base and acid. It is important for cells to maintain the osmotic pressure and pH in the cell environment.
What is the importance of a buffer?In biology, the buffer has been the substances that are organic in nature and are used for regulating and controlling the level of the acids and bases that alters the pH of the system. It plays a crucial role in cells.
It is important for the cell to have a buffer solution, like bicarbonate ions in the blood that maintains the pH and the concentration of the hydrogen and hydroxide ions. It provides regulation of the osmotic balance and maintains the internal environment condition of the cell.
Therefore, the buffer is important for cells.
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How does the ocean control weather and climate?
Answers
Answer:
Explanation:
The ocean currents regulate global climate, helping to counteract the uneven distribution of solar radiation reaching Earth's surface.
Ocean water is constantly evaporating, increasing the temperature and humidity of the surrounding air to form rain and storms that are then carried by trade winds.
Which cycle is NOT present in the atmosphere?
a Phosphorus Cycle
b Carbon Cycle
c Nitrogen Cycle
d Water Cycle
Answers
Answer: A. Phosphorus Cycle