Answer:
Megan trailer said pass the maga mic so I can sing, I'll call the mic magnesium
Explanation:
Get it cuz a mic is made out of magnesium
true or false If beavers built a dam one stream, the kinds of plants and animals that lived around the stream would not be affected.
limestone is a common building block used in texas and is a type of rock that forms in shallow marine settings due to selective precipitation some of the dissolved ions present in the marine setting are sodium potassium calcium nitrate chloride carbonate which ions form limestone
Answer:
Ca^+ and CO3^2-
Explanation:
Limestone is CaCO3. It is an important component of the shell of many species that have shells.
Limestone contains th calcium ion (Ca^+) and the carbonate ion (CO3^2-).
Limestone is used as a building material. It is usually mined as deposits below the ground.
Which atoms have an outer level of electrons that is one electron short of being full? Explain in a paragraph.
Explanation:
Sorry I tried but I do not know the answer but maybe someone else's know and can tell you the answer
Fill in the two processes that cause each of the following transitions. Ocean to cloud and cloud to glacier
Answer:
evaporation (when water gets warmed up and turns into water vapor) and precipitation(when the ice crystals become so heavy and melt on the way through the troposphere)
which element has a grater atomic radius ?phosphorus or bismuth?
According to periodic trends, bismuth has the greatest atomic radius.
What are the similarities and differences between the two fish varieties?
Answer-
Fish are obviously animals because they move, they have sensory organs (eyes, mouth, barbels), and they have body structure (skeletons, skin, etc.). They breathe oxygen. They eat other organisms to survive. Fish are different from other animals because they live in water.
Answer:
The surface fish live near the surface of the water, and the blind cave fish live in dark subterranean caves. The surface fish have eyes and pigmentation on their bodies. The blind cave fish don’t have eyes, and they’re often albinos.
A rectangular solid has a length of 3 cm a height of 4 cm and a width of 5 cm what is the solid volume ?
The state department of health manages issues
related to which of the following? Check all that
apply.
Answer:
water quality, nursing home safety, and emergency preparedness
Explanation:
i just answered it
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Answer:
A nonmetal
Explanation:
Plz help me and I promise I will make you he brainiest
Answer:
2
Explanation:
1 is definitely wrong
density must be lower to atop another liquid
in 3 ,I consider the example of water and oil whi has a lower boiling point
Answer:
2
Explanation:
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What do phytoplankton do for the carbon cycle? Choose all that apply.
A. They take in oxygen for photosynthesis.
B. They take in carbon dioxide for photosynthesis.
C. When they die, the carbon left in them can be sequestered (stored) in the ocean bottom.
D. They are food for many animals, including some whales.
Answer:
B is the answer
Explanation:
What is 0.55 hectometers expressed in decimeters?
a.
550 dm
b.
5.5 dm
c.
55 dm
d.
0.00055 dm
Answer:
a. 550 dm
Explanation:
True
False
Unlike gases, solids cannot
be compressed to a smaller
volume
Similar to the structure of
solids, atoms within a liquid
are in a fixed or locked
position
Both solids and liquids have
a fixed (unchanging) physical
shape
Both solids and liquids have
a fixed (unchanging) volume
Gases have a fixed
(unchanging) volume, shape,
and structure
Answer: True
Explanation:
A 4.86 g piece of metal is placed in a graduated cylinder containing 15.5 mL of water the water level rose to 17.3 mL what is the density of the metal
Answer:
The answer is 2.70 g/mLExplanation:
The density of a substance can be found by using the formula
[tex]density = \frac{mass}{volume} \\[/tex]
From the question
mass = 4.86 g
volume = final volume of water - initial volume of water
volume = 17.3 - 15.5 = 1.8 mL
So we have
[tex]density = \frac{4.86}{1.80} \\ [/tex]
We have the final answer as
2.70 g/mLHope this helps you
convert 3.01€22 molecules of O²(a) mole of O²) ,volume at S.T.P,no of Oxygen atom. (d) mass
Answer:
a )0.05 moles of O₂
b) 1.1207 dm³
c) 0.3× 10²³ atoms of oxygen
d) 1.6 g
Explanation:
Given data:
Number of molecules of O₂ = 3.01 × 10²² molecules
Number of moles of O₂ = ?
Volume of oxygen at ATP = ?
Number of oxygen atoms = ?
Mass of oxygen = ?
Solution:
The given problem will solve by using Avogadro number.
"It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance". The number 6.022 × 10²³ is called Avogadro number.
Moles of oxygen:
1 mole = 6.022 × 10²³ molecules
3.01 × 10²² molecules × 1 mol / 6.022 × 10²³ molecules
0.05 moles of O₂
Number of atoms of oxygen:
1 mole = 6.022 × 10²³ atoms
0.05 mol × 6.022 × 10²³ atoms /1 mol
0.3× 10²³ atoms of oxygen
Volume of oxygen:
1 mole of oxygen at STP occupy 22.414 dm³
0.05 mol × 22.414 dm³ / 1mol
1.1207 dm³
Mass of oxygen:
Mass = number of moles × molar mass
Mass = 0.05 mol × 32 g/mol
Mass = 1.6 g
Earth’s tides are affected by the gravitational pull of the Sun and the Moon, but mainly the Moon because the Moon is _______(1) Each day, each costal region on Earth experiences two high tides and two low tides in a ______(2) time period. This is because the gravitational attraction of the Moon creates ______(3) on two opposite sides of the planet. Two spring tides occur monthly, when the Moon is in its new and full phases. During these phases, the Moon and Sun are oriented ______________________,(4) which gravitationally pulls the water on Earth in the same direction, creating a large tidal range.
(1) A. closer
B. larger
C. denser
(2) A. 12-hour
B. 16-hour
C. 24-hour
(3) A. tidal bulges
B. moon phases
C. orbits
(4) A. in a straight line
B. at a right angle measuring 90 degrees
C. at an acute angle measuring 23 degrees
Answer:
1 closer
2 24hours
3 tidal bulges
4 in a straight line
Explanation:
Tides have been the effect of the sea with the gravitational pull of the sun and moon.
1. Earth’s tides are affected by the gravitational pull of the Sun and the Moon, but mainly the Moon because the Moon is closer to the earth.
In spite of high pull of the Sun, the distance of moon from earth results in increased effect of moon gravitational pull than Sun.
2. Each day, each coastal region on Earth experiences two high tides and two low tides in every 24 hours time period.
The daily tides has been resulted at the coast with the moon revolution around the earth's rotation.
3. This is because the gravitational attraction of the Moon creates tidal bulges on two opposite sides of the planet.
The effect of the moon gravitational force results in the bulging or the pulling force to the sea, resulting in the diurnal tides.
4. Two spring tides occur monthly, when the Moon is in its new and full phases. During these phases, the Moon and Sun are oriented at a right angle measuring 90 degrees which gravitation pulls the water on Earth in the same direction, creating a large tidal range.
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Which element has a melting point of -157°c
Answer:
Krypton (Kr)
Explanation:
Krypton's melting point is -157.36°c
Please hurry up and help me my teacher needs the answer NOW!
Answer:
3+(10G)=DG
ER_K5(O5G)+29K
What is the smallest packet of electromagnetic energy that can be absorbed or emitted?
a proton
an electron
a photon
a wave
Answer:
C on edge
Explanation:
im the best rust player so ofc i know
The smallest packet of electromagnetic energy that can be absorbed or emitted is photon.
What is electromagnetic energy?Radiation that travels in waves and has both electric and magnetic fields. It is derived from both natural and artificial sources. The power of electromagnetic energy can range from low to high.
Proton and electron are particles not any form of energy.Wave is a form of radiation.Photon is a small packets of energy whose energy is equal to hυ.Hence photon is the smallest packet of electromagnetic energy.
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Curiosity is important in the progress of science because it
A. aids in the interpretation of data.
B. encourages new experimentation.
C. ensures the inclusion of different viewpoints.
D. allows a scientist to learn from others.
Answer:
B
Explanation:
because it makes you want to know what happens in an experiment
Answer:
B. encourages new experimentation.
Explanation:
right on EDGE 2021
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Which phrase correctly describes the particles that make up water vapor?
A. Having more energy than particles in liquid water
B. Making up a rigid but disorganized structure
C. Making up a rigid but ordered structure
D. Being compressed together so that they are touching
Answer:
i believe its A but im not sure
its the only one that makes any sense
plz mark brainliest
\
Explanation:
Answer:A
Explanation:
The Rocky Mountains run parallel to the western coast of the United States. While parts of the California coast are lush and tropical, the area just east of the mountain range is a dry desert. What BEST explains the drastic climate difference between these two adjacent areas?
Answer:
The mountains cause rainfall.
Explanation:
The fact that the mountains run parallel to the coast is the key in the difference in climate between the two areas. Since they are parallel to the sea, they block the wind and moisture coming from the sea towards the land, the mountains cause this air to rise and when it hits the cold air at higher altitudes, it results in rain. This leads to the lush and tropical areas whereas without the parallel mountains to the coast, the amount of rain the area receives decreases, resulting in a desert like environment.
I hope this answer helps.
Suppose 50.0 grams of compound AB reacts completely with 100.0 grams of compound CD, how many grams of products will be formed, according to the Law of Conservation of Matter?
a. 50
b. 100
c. 150
d. 200
Answer:
Option C = 150
Explanation:
First of all we will understand what is law of conservation of mass.
Law of conservation of mass:
This law stated that, mass can neither be created nor destroyed in a chemical equation.
This law was given by French chemist Antoine Lavoisier in 1789. According to this law mass of reactant and mass of product must be equal, because masses are not created or destroyed in a chemical reaction.
For example:
In given photosynthesis reaction:
6CO₂ + 6H₂O + energy → C₆H₁₂O₆ + 6O₂
there are six number of carbon atoms, eighteen oxygen atoms and twelve hydrogen atoms on the both side of chemical equation so this reaction followed the law of conservation of mass because mases are same on both side.
In given chemical reaction:
AB + CD → X
50 g + 100 g = 150 g
Thus option c is correct.
A rock displaces 475ml of water what’s its volume
Answer:
The rock displaces 475 mL of water.
475 mL is the volume of the rock.
1 mL = 1 cm^3
The mass is just density times volume.
m = 475 * 2.5 = 125 g
Explanation:
Which professional most likely uses X-ray technology?
a food critic
a dentist
a financial analyst
a pharmacist
Answer:
a dentist
Explanation:
What is the material being extruded by Mount Mayon? Where do you think did this material come from?
The material being extruded by Mount Mayon is "Lava".
Throughout view of such increasingly prevalent eruption occurrences, the water level of the wells drilled in nearby crater Mount Mayon, this same present volcano together in dynamic condition, is beginning to decrease.The episodes have been characterized by a resilient oozing but also welling of lava, frantic ejection of blocks as large as vehicles, and angered release of thick ashes and sedimentary sprinkles up to a few 100 kilometers over the crater lip.
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Which statement accurately describes the two balls?
A. The golf ball has more inertia than the table-tennis ball, so it takes
more force to change the motion of the golf ball.
O B. The table-tennis ball has more inertia than the golf ball, so it takes
more force to change the motion of the table-tennis ball.
C. The table tennis ball has less inertia than the golf ball, so it takes
more force to change the motion of the table-tennis ball.
D. The golf ball has less inertia than the table tennis ball, so it takes
more force to change the motion of the golf ball.
SUBMIT
Answer:
A
Explanation:
The golf ball has more inertia than the table-tennis ball, so it takes
more force to change the motion of the golf ball.
Which is a characteristic of colloids?
a. are homogenous mixtures
b. have large dispersed particles
c. will settle out over time
d. are made up of at least two substances
Answer:
D
-----------------------------------------------------------------
The definition of colloids is very disputed on whether or not it is homo/heterogenous. I wouldn't go with this answer, but its based on what you learned it was. At a microscopic level its hetero but at a macroscopic its homo.
They do have somewhat large dispersed particles but this better describes suspensions
They don't easily settle out.
And in order to be a mixture, they are made up of at least two substances
D is likely the best answer out of the bunch.
Colloids are made up of at least two substances. Therefore, option d is correct.
What are colloids?A colloid can be described as a mixture in which one substance consisting of dispersed insoluble particles is throughout another substance. The particles should be dispersed in a liquid. The term colloidal suspension can be referred to unambiguously as the overall mixture.
A colloid exhibits a dispersed phase and a continuous phase. The dispersed phase particles have a diameter of about 1 nm to 1 μm. Some colloids are translucent due to the Tyndall effect and other colloids can be opaque or have a slight color.
Hydrocolloids can be described as certain chemicals that are colloidally dispersible in water. Therefore becoming very "soluble" they can change the rheology by raising the viscosity.
A colloid possesses a dispersed phase and a continuous phase. A solute in a solution is individual molecules, whereas colloidal particles can be bigger.
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Use the periodic table to determine the charge of the ions below. Select the correct answer from the drop-down menus.
A lithium ion has a charge of ______
A calcium ion has a charge of _______
An aluminum ion has a charge of ______
A fluorine ion has a charge of _______
An oxygen ion has a charge of ________
Answer:
A lithium ion has a charge of +1.
A calcium ion has a charge of +2.
An aluminum ion has a charge of +3.
A fluorine ion has a charge of -1.
An oxygen ion has a charge of -2.
Below, the correct charges of the elements are listed;
A lithium ion has a charge of +1 A calcium ion has a charge of +2 An aluminum ion has a charge of +3 A fluorine ion has a charge of -1 An oxygen ion has a charge of -2The ionic or electrical charge of an element is the new state the element acquires because of losing or gaining an electron.
When elements lose their electrons, they tend to attain a positive charge and when they gain an electron, they tend to acquire a negative charge. To easily identify the charge of the ions, the periodic table should be used.
Elements (metals) found on the left side of the periodic table tend to have a positive charge while elements (non-metals) on the right side of the table usually assume a negative charge.
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What converts electric energy to radiant energy and thermal energy?
Answer:
Many things, but i think a toaster...
Explanation:
