Answer:
Atom
Explanation:
The smallest unit which maintains an element's properties is an atom.
is the mass of water greater than the mass of two gases
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How can a force act directly on an object? Explain.
Answer:
The quantity of force is expressed by the product of mass (m) and acceleration (a). Mathematically the equation can be written as
F = ma
Where,
F= Force
m = mass
a = acceleration
When a force acts on an object the objects the objects have different effects of force. So let us know about the effects of force on an object.
Explanation:
Answer:
Explanation:
An applied force is a force that is applied to an object by a person or another object. If a person is pushing a desk across the room, then there is an applied force acting upon the object.
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Describe the difference between primary and secondary succession.
Answer:
Primary succession is the colonizing of a new environment that lacks organisms and plant life.
In secondary succession, an area previously occupied by living things is disrupted then recolonized following the disturbance
Explanation:
I don´t understand any of this!!
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question
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TRUE OR FALSE: Chromosomes are made up of proteins joined together like beads on a string.
Answer:
true
Explanation:
:)
Answer:
true
Explanation:
What type of bird egg is this btw i live in sc i found it in my backyard my dog was about to step on it
pls say right answer
Can someone help me. I fell asleep in class. T-T
pH is an indicator of how acidic or basic a substance is. The pH scale ranges from 0 - 14, with 7 representing neutral. Acids have a pH below 7; bases, a pH greater than 7. Scientists determine the pH of a substance by using an indicator; indicators change color depending on the pH of a substance. Different indicators work at different pH ranges, as seen in the table above. The transition range of an indicator is the range of pH when the indicator changes from its low-pH color to its high-pH color. If the indicator shows a color between the two, then the pH lies somewhere in that transition range. You have been given a liquid that turns pink in phenolphthalein and blue in thymolphthalein. Tests with methyl violet and bromophenol blue resulted in a violet color. Based on your test results, determine which statements regarding the liquid are accurate. Choose ALL that apply.
A. The liquid is a base.
B. The liquid is an acid.
C. The liquid has a pH > than 7.
D. The liquid is an H⁺ donor.
E. The liquid mostly likely contains OH⁻.
The liquid is base. A base is a type of chemical that releases hydroxide (OH-) ions, receives protons, or donates electrons in an aqueous solution.
What are Bases?Bases have a few distinguishing characteristics that can be used to recognize them. They can taste harsh, react with acids to generate salts, have a tendency to be slick to the touch (like soap), and can catalyze some processes.
Arrhenius bases, Bronsted-Lowry bases, and Lewis bases are some examples of bases. The French scientist Louis Lémery coined the term "base" in 1717. Lémery used the term to refer to Paracelsus' alchemical notion of a "matrix" According to Paracelsus, natural salts form when a matrix and a universal acid interact.
Although Lémery may have coined the term "base" first, Guillaume-François Rouelle is generally recognized as the father of modern usage.
Therefore, The liquid is base. A base is a type of chemical that releases hydroxide (OH-) ions, receives protons, or donates electrons in an aqueous solution.
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This might look confusing but I really need help on this!!
I suck at chemistry
Answer:
I believe the answer is A
Answer:
A) the mass of the reactants is the same as the mass of the product
I guess
Explanation:
the law of conservation of mass stats that Mass of reactant is always equal to the Mass of the product
What can you tell about the location of the Sun from this illustration of the Milky Way? A) It is outside of the Milky Way. B) It is near an outer arm of the Milky Way. C) It is on the right side of the Milky Way. D) It is within the Central Bulge of the Milky Way. Hint
How does the curved beak of a king penguin compare to the curved, cup-like structure of the pitcher plant?
They are both used to catch prey.
They are both used to collect water.
They both help avoid being eaten.
They both help protect the eggs.
please helpp
Both pitcher plant and king penguin use their physical adaptation to catch pray. The curved beak of the penguin helps them easily catch fish from snow similarly pitcher plant has the cup like structure to capture pray. Hence, option A is correct.
What is prey catching pitcher plant ?Pitfall traps, a prey-trapping mechanism with a deep hollow filled with digesting fluid, are modified leaves on a kind of carnivorous plants known as pitcher plants. Specialized leaves are used to create the traps in what are known as "genuine" pitcher plants. Using nectar, the plants draw in and suffocate their victim.
Flying, flying, or crawling insects that are out foraging are drawn to the hollow created by the cupped leaf by visual cues such nectar and anthocyanin colors.
Insects fall into the trap because the pitcher is slippery after being saturated by dew or nectar. To aid in preventing escape, the walls of the pitfall may be covered in waxy scales, protruding aldehyde crystals, cuticular folds, downward-pointing hairs, or lunate cells that originate from guard cells.
The sharp curved beak of penguin helps to easily catch their pray. Therefore, option A is correct.
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Two parts of the food chain are described below:
Part #1: These organisms are the ending of the food chain.
Part #2: This passes energy to plants and animals.
Which statement is true about these two parts of the food chain? (2 points)
a
Part 1 are consumers, Part 2 is the sun
b
Part 1 are consumers, Part 2 are producers
c
Part 1 are producers, Part 2 is the sun
d
Part 1 are producers, Part 2 are consumers
Answer:
A: part 1 consumers, part 2 the sun
Answer:
the answer is a
Where is the highest risk of earthquakes in the U.S.?
A. California
B. Washington D.C.
C. Arkansas
D. Utah
this is prolly ez but im kinda d.u.m.b
Answer:
18
Explanation:
The atomic number is also the number of electrons, hope i could help!
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At the atomic level are synthetic medicines different from natural medicines? If so explain how they are different.
A little help please
Answer: Cell
Explanation: The cell is the most basic unit of life.
A 50 gram piece of glass with the specific heat of 0.84 J/gºC is heated from 35°C to 46°C. How much heat is added to the glass?
А
11
B
193 J
С
462 J
D
1470 J
For a chemical reaction in a closed system, mass cannot be ______________ or _______________. We can say that throughout the reaction mass is _____________.
A rearranged; destroyed; gained
B created; destroyed; lost
C rearranged; created; conserved
D created; destroyed; conserved
Answer:
D created; destroyed; conserved
For a chemical reaction in a closed system, mass cannot be created or destroyed. We can say that throughout the reaction, mass is conserved.
What is a closed system?
A closed system is a thermodynamic term. It can also be said as thermodynamic system. In a thermodynamic closed system, there is no exchange of mass or energy with the outer environment.
Thus, the correct option is D. created; destroyed; conserved.
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Two white powders were mixed together. A chemical reaction occurred, and a yellow powder was formed. What is the relationship between the yellow powder and the white powders?
A. The yellow powder is made up of the same kinds of atoms as the white powders, but the atoms are combined into different molecules. The yellow powder is made up of the same kinds of atoms as the white powders, but the atoms are combined into different molecules.
B. The yellow powder is made up of the same kinds of molecules as the white powders, but the molecules are a different color. The yellow powder is made up of the same kinds of molecules as the white powders, but the molecules are a different color.
C. The yellow powder was released from inside the atoms of the white powders. The yellow powder was released from inside the atoms of the white powders.
D. There is no relationship between the yellow powder and white powders. There is no relationship between the yellow powder and white powders.
Answer:
A
Explanation:
The answer for the question is A
a 2 cm cube made of acrylic has a mass of 9.7 g. What is the density of the acrylic?
Answer:
here
volume of cube = l^3
=2cm^3
=8cm^3
now,
mass=(9.7÷1000)kg
=0.0097kg
volume=8cm^3÷100=0.08
we know that,
density=mass/volume
= (0.0097/0.08)kg/m^3
= 0.12125kg/m^3
Explanation:
the formula to calculate volume of cube is l^3 so here we find the volume of cube using this formula and then we convert gram into kilogram then convert cm into m then by applying the formula of density we find it density
A 2 cm cube made of acrylic has a mass of 9.7 g. The density of the acrylic is 0.12125 kg m3
What is density?Density is the mass of per unit volume.
[tex]Volume of cube = l^3\\=2cm^3\\=8cm^3[/tex]
mass 9.7 kg, converted into kilograms = 0.0097kg
[tex]Volume \;= \dfrac{8cm^3}{100} = 0.08[/tex]
Calculating the density
[tex]Density = \dfrac{mass}{volume} \\\\\dfrac{0.0097}{0.08} = 0.12125\;kg\;m^3[/tex]
Thus, the density of the acrylic is 0.12125 kg m^3.
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HELPP "Can you seperate a mixture using solubility tests, if so, explain how."
Answer:
yes you can by using filtration and evaporation
Answer:
You can by using evaporation and filtration methods.
Explanation:
I hope this helps! Have a great rest of your day!
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Answer: molecules
Explanation:
Help please ASAP just with number 10
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what do scientists believe formed the moon's craters and regolith
Answer:
What is most widely accepted today is the giant-impact theory. It proposes that the Moon formed during a collision between the Earth and another small planet, about the size of Mars. The debris from this impact collected in an orbit around Earth to form the Moon.
Explanation:
According to the wave model of light what makes blue light different from green light
Answer: Green is 550 nm and blue is 470 nm
One difference between a book and a movie is that with a book you are(1 point)
Answer:
inerpreting an author's words and using imagination to picture events
Explanation:
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Answer:
interpreting an author's words and using imagination to picture events
Out of metal, Non-metal and metalloids. which one needs contact to transfer heat?
Help me help me please
Answer:
C. wind
Explanation:
PLEASE HELP MEEE I WILL MARK BRAINLIST FOR THIS ITS SUPER SIMPLE....BUT U MUST TYPE EVERYTHING needed ASAP
all I need you to do its to type out these pictures word for word it pretty simple
Climax Community
A climax community is the end result of ecological succession. The climax community is a stable balance of all organisms in an ecosystem, and will remain stable unless a disaster strikes.
Human Activity
It's important to note that human activity has the greatest impact on the amount and quality of wildlife habitat in many areas of the world. Wildlife habitat can be destroyed or its quality diminished as a result of urban growth, agricultural practices, pollution, or habitat destruction.
People can also have a positive impact on wildlife populations through improvement and protection of habitat or ecosystems. Planting trees and shrubs and providing sources of food and water in individual yards is one way people can help wildlife.
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Answer:
mixture
Explanation: