Biology High School

Which of the following describes a chemical change? *
Clear liquids mix, producing a cloudy liquid and a yellow powder.
Silver coins are melted down and shaped into a solid brick.
Salt is added to a pot of hot water, and the water's boiling point changes.
O
An apple is chopped into eight slices.

Answers

Answer 1

Answer:the first option, clear liquids mix, producing a cloudy liquid and a yellow powder

hope this helps :)

Explanation:

Related Questions

Which of these is the function of the large central vacuole?


Reproduction of the cell

Production of ATP

storage

Energy production

Answers

I’m pretty sure it’s storage!

what is a biotic factor that affects population size A. weather B. human impact C. avaliable sunlight D. Trash consumption

Answers

Answer:

sunlight

Explanation:

im not sure but i think.

Name the enzyme that breaks down H202.
02
H 20
catalase
H2O2

Answers

Answer:

Catalase

Explanation:

Catalase is an enzyme that speeds up the breakdown of hydrogen peroxide into water (H2O) and oxygen gas (O2).

A catalyst is a substance that lowers the activation energy required for a chemical reaction, and therefore increases the rate of the reaction without being used up in the process.

Answer:

Carbon dioxide and oxygen

Explanation:

What must every good hypothesis have

Answers

If, then, because format
If we change our independent variable, then how will the dependent variable change?
Example: If you eat fast food you would get a stomachache because it is unhealthy for your body.

Which structure is found in all eukaryotic cells?
A-large central vacuole
B-cilia
C-flagella
D-Golgi apparatus
Please help!!!

Answers

Answer:

I think it is D - Golgi apparatus

Answer:

Which structure is found in all eukaryotic cells?

A-large central vacuole

B-cilia

C-flagella

D-Golgi apparatus ✓

also more that found in all eukaryotic cells:-

cell membranecytoplasmNucleusmitochondriaEndoplasmic ReticulumGolgi apparatusribosomecytoskeleton

need further explanation ? don't hesitate to ask

Hope this helps

How do scientists find the epicenter of an earthquake?

Answers

Scientists use triangulation to find the epicenter of an earthquake. When seismic data is collected from at least three different locations, it can be used to determine the epicenter by where it intersects.

2. How does your breathing contribute to the
carbon cycle?

Answers

Answer:

Your oxygen is hooked from trees

Explanation:

:)

Answer:

dxkxxijcjcjvic

Explanation:

xjcicucuxxixiuc

About how much of Earth’s surface is covered by the Pacific Ocean? Identify the locations of at least two major mountain chains that extend over more than one continent.

Answers

Answer: covering more than 30%

Explanation:

Biotechnology can have advantages and disadvantages. Which would be considered a disadvantage of cloning?
A) Individual organisms with desirable traits can be duplicated.
B) Traits of clones can be predicted in advance.
С) Many organisms with desirable traits can be produced
D) Cloning reduces genetic variation

Answers

Answer:

B

Explanation:

Consider the energy diagram below.
What is the correct answer

Answers

Answer:

B

Explanation:

Less activation energy means the reaction will easily occur.

Explain how you could find out whether or not an unknown liquid is water.

Answers

We can use the physical properties of water such as density, melting point and boiling point, etc to determine if a liquid is water. Water has a density of 1 gm/cm^3 or 1000 kg/m^3. We can measure the mass of one cm^3 or 1 m^3 of the unknown liquid and check against the mass of equivalent volume of water.

A classmate suggests a new hypothesis for researchers to test: Taller salt marsh grasses are
prettier than shorter marsh grasses. Explain why this hypothesis is not scientific.

Answers

Answer:

Because it's an opinion and cannot be tested.

Explanation:

Its not scientific because its an opinion and can’t be objectively proven

Tell 2 human activities by which carbon can enter the atmosphere as
CO2 during the carbon cycle:

Answers

Answer:

Activity 1. Breathing (Humans breathe out CO2)

Activity 2. Burning (Which releases CO2 into the atmosphere

Explanation:

The two human activities by which carbon can enter the atmosphere as [tex]CO_2[/tex] during the carbon cycle are:

Breathing (Respiration): Breath out [tex]CO_2[/tex] in the atmosphere. Burning/Fire: causes the release of [tex]CO_2[/tex] in the environment.

What is the Carbon cycle?

The flow of carbon and its compounds by different means in the atmosphere is known as the Carbon cycle.

Human activities can play an important role in the cycling of carbon into the atmosphere. Each and every step of the carbon cycle directly or indirectly depend on human activities. For example Fire, respiration, industrial wastes, automobiles, etc.

Therefore, above are the two human activities by which carbon can enter the atmosphere  [tex]CO_2[/tex] during the carbon cycle are described briefly.

To learn more about the Carbon cycle, refer to the link:

https://brainly.com/question/2272536

As water vapor cools, it ____, forming liquid water. (ANSWER FAST PLEASE!! I WILL GIVE A BRAINLIEST)

Answers

Answer:

it condenses!

Explanation:

hope this helps :)

Answer:

condenses

Explanation:

what are the functions of the nucleolus?
Check all that apple
A)converting energy from food into a form the cell can use
B) beginning ribosome assembly
C) regulating the cells interaction with its surroundings
D) translating the code contain by DNA into proteins the cell needs for structure and function

Answers

Answer:

the answer is B) ribosome assembly

what is the antonym of misuse​

Answers

Answer:

To Cherish or Save something or to Care for something or benefit

Explanation:

Answer:

Use is the answer.

I hope it helps

Thank U

Our Sun is a sphere of plasma held together by _______.

Answers

Answer:

Our Sun is a star, a sphere of plasma held together by gravity.

Explanation:

Answer:

gravity.

Explanation:

HELP i’ll brainLIST U
why are water quality standards important?

a. they help protect clean water and improve the quality of polluted water

b. industries would not self regulate and the standards force them to treat unsafe water

c. The standards guarantee that every home in the nation has safe drinking water

d. there is a limit amount of clean water in the world and like oil once it used up it’s gone

Answers

I did research on it and I choose ( a.)

HELPPP PLSSSS I NEED SOON

Answers

Answer:

j

Explanation:

the answer is J haha

A decrease in the decomposers within an ecosystem would have what effects on the carbon cycle?

Answers

Answer:

There can be many different limiting factors at work in a single habitat, and the same limiting factors can affect the populations of both plant and animal species. Ultimately, limiting factors determine a habitat's carrying capacity, which is the maximum size of the population it can support.

Explanation:

Help please! Which events took place during Muhammad’s return to Mecca in 630 CE? Chose three correct answers.

Answers

Answer:

I think 5th one is right answer..

Which of these is an example of nonpoint-source pollution?

Answers

I think it’s: A I’m not sure
But if I’m wrong I’m sorry

Answer:

Its C, just did the test.

C> Fertilizer flows into rivers from farm

Tropical rain forests tend to have soils that are nutrient poor, and most of the nutrients are found in the top few inches of the soil.

Which adaptation is most likely found in tropical trees?

A. deep root systems
B. shallow root systems
C. needles
D. pine cones

Answers

I thibk its a bro but yea im not 100 percent sure

Answer:

B. shallow root systems

Explanation:

Brainliest Please

which of the following organelles is most likely to affect apoptosis?

Answers

Answer:

mitochondria

Explanation:

Answer:

mitochondria

Explanation:

What is the main reason organisms compete with each other ??

Answers

Answer:

resources in ecosystem is limited

Match the reproductive structures based on their function and the system to which they belong.
egg
ovary
testis
vas deferens
sperm
vagina
urethra
fallopian tube
Function
Female Reproductive
Structure
Male
Reproductive
Structure
connects the internal reproductive organs to
the exterior and discharges reproductive fluids
to the exterior
functions as the sex cells or gametes
the site where gametes are produced
functions to transport the gametes from the
inction in the reproductive

Answers

Answer:

right on Plato/ Edmentum

Explanation:

vagina               urethra

egg                   sperm

ovary                 testis

fallopian tube    vas deferens

The correct reproductive structure is based on their function and the system to which they belong are:

Vagina       -        urethraegg          -         sper-movary       -          testisfallopian tube  -  vas deferens

What is the reproductive system?

In both males and females, a reproductive system is a group of internal and external organs that cooperate to allow for reproduction. The organs, glands, and tissues involved in childbirth (children).

The ovaries, fallopian tubes, uterus, cervix, and vagina are all parts of the female reproductive system. It includes the pen-is, prostate, and testes in men.

Therefore, the correct option is

Vagina       -        urethraegg          -         sper-movary       -          testisfallopian tube  -  vas deferens

To learn more about the reproductive system, refer to the below link:

https://brainly.com/question/7464705

#SPJ2

In which layer of the ocean are you likely to find microscopic plants called phytoplankton?

Answers

The epipelagic zone.

1. Describe the similarities and differences between the
bronchi, bronchioles, and alveoli.

Answers

Answer:Bronchi occur before the bronchioles and bronchioles give rise to alveoli. Bronchi are surrounded by cartilaginous layer. Bronchi are involved in the conduction of air to the bottom part of the respiratory passageway. Bronchioles conduct air, and they are also involved in the gas exchange as alveoli.

Suppose that you are a scientist and you have been given some unknown cells. By looking at the cells under a microscope, how would you be able to know if they came from a plant cell or an animal cell?

Give at least 2 ways that you will be able to tell. Your answer must be in complete sentences.

Answers

Under a microscope, plant cells from the same source will have identical size and shape. Under the plant cell's cell wall there is a cell membrane. An animal cell also contains a cell membrane to keep all the organelles and cytoplasm contained, but it doesn’t have a cell wall.

a data table shows the height of a person on his birthday each year from age 2 to 12. What trend would you expect to see in a lime graph of the data.

Answers

You would expect to see an increasing line
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