Which of the following is a clue that a chemical change has taken place?

Answers

Answer 1

Answer:

During a chemical change, the composition of matter always changes. Four possible clues to chemical change include a transfer of energy, a change in color, the production of a gas, or the formation of a precipitate.

Explanation:

Answer 2
The signs of a chemical change include color change, the production of an odor, a change in temperature, the formation of bubbles, and the formation of a precipitate. Hope this helps! ;)

Related Questions

Lowercase letters represent _______________ alleles.

A] Recessive


B] Dominant

Answers

Answer:

recessive

Explanation:

think of it this way large uppercase letters are more dominant vs. small lowercase recessive letters. dominant large and overpowering recessive small and easy to shadow.

What is the process of making qualitative and quantitative observations?

Answers

Answer:

To make a qualitative observation would mean making high quality observations, and quantitative observations would be making as many observations as possible.

Explanation:

why do the steelers stink?

Answers

The Steelers do not stink they have the best defense in the league

Which of the following organisms would be able to survive for long periods of time with no food source? Select all that apply.

Answers

Answer:

tortoise

Explanation:

gametes have...
a. homologous chromosomes
b. twice the number of chromosomes found in body cells
c. two sets of chromosomes
d. one allele for each gene
PLZZZZZ HELPPPP

Answers

Answer:

A homologous chromosomes

Answer:

D. One allele for each gene

What is the function of the macromolecule subunit below?

Answers

Answer:

C. Stores genetic information

Explanation:

The macromolecule shown in the image represents nucleotide as it consist of one phosphate, one pentose sugar, and one nitrogenous Base.

The nucleotides are found in Nucleic acids (DNA and RNA) that functions  to store genetic information and transfer it to next generation. They are found in all living things on Earth.

Hence, the correct option is "C. Stores genetic information".

Answer:

c. stores genetic info

Explanation:

The lesson of the Kaibab ?

Answers

Answer: kaibab

Explanation:

14.
Which of the following organs removes extra water
from the blood to keep the amount of fluid in the
bloodstream at the proper level?
A. kidneys
B. liver
C.
pancreas
D. stomach

Answers

Liver is the answer

True or False: Penicillin is better for treating Gram-positive bacterial infections.
- True
- False

Answers

true!! Penicillin works best on grandpa’s or bacteria by inhibiting PEPTIDOGLYCAN, making the cells leaky and fragile. (sorry that’s caps i didn’t know how to spell it LOL)

Why is distinction of crude density and ecological density necessary? and which one of these densities are greater?

Answers

Answer:

Distinction of crude density and ecological density necessary and which one of these densities are greater is explained below in details.

Explanation:

Density measure in courses of the amount of territory possible as existence reservation is ecological density. Crude density incorporates all the property within the animal's reach whereas ecological density incorporates only that division of property that can actually be established by the species.

Diffusion and osmosis are similar in that they are both types of

Answers

Answer:

diffusion

Explanation:

Answer:

Passive Transport

Explanation:

How does interphase prepare cells for mitosis
rest prior to cell division
growth of cell and replication of DNA
dissolution of nucleus and cell membrane
division of cytoplasm

Answers

Answer:

In interphase there are three phases in which the cell multiplies its contents. DNA is replicated and cell organelles are doubled and all necessary biomolecules are formed. In this way cell gets prepared for mitosis.

Interphase is the time of the cycle when the cell grows and replicates DNA. Therefore, option  "A" is correct.

What is the cell cycle?

The cell cycle consists of a series of events in sequence by which the cell duplicates its genome and eventually divides into two daughter cells. It is divided into two phases i.e., M phase and interphase. Interphase is the preparatory phase for the cell to undergo cell division whereas the M phase is the mitosis phase in which the cell divides.

The interphase phase is further divided into four phases: G1- the period between the end of the M phase and the start of DNA replication.S- also known as the synthesis phase in which the synthesis of DNA occurs.G2-division of the cell.

Therefore, the cell cycle is an important event.

Learn more about the cell cycle, here:

https://brainly.com/question/25282664

#SPJ7

Fill in the blanks with the correct number. Mitosis results in ___genetically identical cells

Meiosis results in _____ sex cells

Answers

Answer:

1. Mitosis results in two genetically identical cells

2. Meiosis results in four sex cells

Answer:

Two genetically identical cells

Why are bullets shot into a barrel of water for testing?

Answers

Answer:

One of these specifications is a characteristic known as rifling, which refers to the spiral lands and grooves placed into the firearm's barrel to impart a spin on the bullet for accuracy. ... Examiners generally test fire into a water recovery tank to obtain comparison bullets for evaluation under the microscope.

What role do plankton play in the oxygen cycle ?

Answers

Answer:

Phytoplankton are some of Earth's most critical organisms and so it is vital study and understand them. They generate about half the atmosphere's oxygen, as much per year as all land plants.Phytoplankton also form the base of virtually every ocean food web. In short, they make most other ocean life possible

True or False and if false correct the statement: Antigen-antibody responses are normally non specific.

Answers

Answer:

False

Explanation:

Antigens are usually found on the surface of pathogens and are unique to that particular pathogen. So that means that they are specific to that pathogen.

Answer:

False

Explanation:

I looked it up

In addition to visible light, astronomers observe
•all of the answers are correct
•ultraviolet light
•gamma radiation
•x-ray

Answers

Answer:

all of the answers are correct

1. What are the female reproductive organs?
A. egg cells B. ovaries
C. sperms D. testes​

Answers

Answer:

the answer is B

Explanation:

ovaries is the answer

ORGANIZED CELLS : TISSUES :: ________ : ORGANS

a. Tissues
b. Organs
c Body
d.Organisms

Answers

Answer:

the entire order is atom molecues organelles cells tissues organs organ system organism so none of the options you gave don't make sense in that order

Explanation:

How Fast can you answer how fast can i give you brainliest??

Answers

Answer:

its b

Explanation:

Which of the following components do ALL cells have in common? (Check all answers)
A Nucleus
B
DNA
c Organelles
DCell wall

Answers

The answer is B) DNA

Answer:

A. nucleus

Explanation:

all cells have a nucleus

If the codon is GUC, what is the anticodon

Answers

guanine binds with cytosine (C)

uracil binds with adenine (A)

cytosine binds with guanine (G)

so the anticodon in CAG

Answer:

CAG

Explanation:

Animal Cell definition

Answers

Answer:

Animal cells are the basic structural and functional units of animal tissues and organs. They are eukaryotic cells. It means that, unlike prokaryotic cells, animal cells have membrane-bound organelles suspended in the cytoplasm enveloped by a plasma membrane.

Explanation:

Answer:

Animal cells are the basic structural and function units of animal tissues and organs. Animal cells have membrane-bound organelles suspended in the cytoplasm enveloped by a plasma membrane.

Explanation:

Factors that effect formation of cyclones :
(a) Wind speed
(b) Wind direction
(c) Humidity & Temperature
(d) All of these
rrect the following statements by replacing the highlighted word:
Warm air is heavier than the cold air.
lighter
The pressure of the air decreases if the speed of the wind is decreased.
Cyclones are constructive because they can damage houses, telephones and other communicati
systems, agriculture, trees etc.
The even heating of the earth surface is the main cause of wind movement.
The overfilled bicycle tube bursts because the pressure inside it becomes less than the atmospheric
pressure outside.
Sologna
ct four precautions you should follow when you are hit by a cyclone:
Yes/N
Precautions
obaro mot​

Answers

for factors of effects- all of these

.......... is the branch of science that deals with matter, energy, light etc.
Chemistry
Biology
Physics
Geology

Answers

Answer:

The correct answer is - Physics

Explanation:

Physics is the branch of science that is an organized study of matter, motion, light, energy, and its behavior in time and space. All these states in the observable universe and their effect is studied in detail in physics.

Physics is one of the basic and fundamental disciplines of science like biology, chemistry. Many other streams or filed of science are based on physics such as chemistry, oceanography, seismology, and astronomy.

Thus, the correct answer is - Physics

which are the target organs of insulin and how do they respond to the home?

Answers

Answer:

Action of insulin

Insulin plays an important physiologic role, especially in the liver, muscle, and adipose cells, in homeostasis of blood glucose concentration (4). For this reason, the liver, muscle, and fat have been regarded as major target tissues for insulin.

The primary targets for insulin are liver, skeletal muscle, and fat. Insulin has multiple actions in each of these tissues, the net result of which is fuel storage (glycogen or fat). Glucose enters the circulation either from the diet or from synthesis in the liver.

Cacti are plants that live in extremely dry environments. Unlike most other plants, cacti do not have regular leaves, but instead, have spines. They do have green stems. How would the lack of regular leaves help cacti survive in their environment

Answers

Having regular leaves would cause cacti to die faster due to the climate. Leaves are thin and dry easily without water. Cacti do not need leaves because it is a body

Which physical evidence supports the evolution of earth due to chemical weathering?

A. Hammer shape of Bryce Canyon rocks.
B.Red color of Bryce Canyon rocks.
C.Streaks of the face of Wave Rock.
D. Concave shape of Wave Rock​

Answers

Explanation:

how much is that I was in a while and it will get a new for me too 60th anniversary to the hospital for my family is so good and I don't think you should go for the next time we got home

Answer:

The correct answer is - Concave shape of Wave Rock.

The concave shape of Wave Rock is a nice physical evidence of deposition in the Earth's evolution. It is a land structure dated to 2.7 billion years old, and it is the basis around which the Australian continent formed. The Wave Rock structure is created by weathering of the surrounding area, and this is exactly what proves the deposition part, because Wave Rock was bellow the ground, and that was due to the deposition of the material around it over time, but since it is made out of much tougher material from its surroundings, the weathering lowered the surrounding terrain, while the bedrock remained to witness for the past.

Explanation:

The correct answer is - Concave shape of Wave Rock.

The concave shape of Wave Rock is a nice physical evidence of deposition in the Earth's evolution. It is a land structure dated to 2.7 billion years old, and it is the basis around which the Australian continent formed. The Wave Rock structure is created by weathering of the surrounding area, and this is exactly what proves the deposition part, because Wave Rock was bellow the ground, and that was due to the deposition of the material around it over time, but since it is made out of much tougher material from its surroundings, the weathering lowered the surrounding terrain, while the bedrock remained to witness for the past.

Explanation:

hope this helps pls give me brainliest

DNA: T A C G T A C G C G T A C G A C T A T T

mRNA:

Condon:

Amino acids:???

A. Methionine-histidine-alanine-histidine-alanine-leucine-stop
B. Methionine-histidine-arginine-histidine-alanine-valine-stop
C. Methionine-histidine-alanine-histidine-threonine-valine-stop
D. Methionine-histidine-alanine-histidine-alanine-valine-stop

Answers

Answer:

c

Explanation:

If mongoose were removed from this simple food chain, what effect would that have on the snakes?

Answers

Answer: they would be dead

Explanation:

Answer:

Mongoose are opportunistic feeders that will eat birds, small mammals, reptiles, insects, fruits, and plants.

Explanation:

so, if they are removed, there would be a population crisis. there would be too many snakes to control because the mongoose are one of the animals groups that eat snakes. the snake population increases. less mongoose= more snakes

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