Answer:
A alluvial fan
Explanation:
A geologist took this aerial photo of a location where a river flows out of a mountain range. The feature of the picture is fan. Hence option a is correct.
What is geologist?Geologist is defined as a scientist who focuses on the processes that shape terrestrial planets and the solid, liquid, and gaseous materials that makes up Earth. Geologists study the elements, processes, results, physical properties, and history of the planet.
Fan is defined as a buildup of sediments that spreads out from a concentrated supply of sediment, such as a small canyon that emerges from a cliff. As long as these three conditions are met, Fans can form at any elevation: water running is present.
Thus, a geologist took this aerial photo of a location where a river flows out of a mountain range. The feature of the picture is fan. Hence option a is correct.
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Over long periods of time, some species have become extinct, while new species have
descended from earlier species. These changes are known as:
Evolution
Mutation
Natural selection
Adaption
Answer:
Adaption
The reason why its adaption is because some species become extinct due to not adapting to world changes, while newer species can adapt to world changes.
Hope this helps!
What happens to many synthetic elements after they are made
Answer:
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The addition of heat causes the individual particles of a solid to
Answer:
Move rapidly or move fast and farther apart. Hope this helps.
Answer: vibrate more rapidly
Explanation:
What does X represent for this transmutation?
96242Cm + X→ 98245Cf + 01n
gamma
+10e
24He
−10e
Answer:
24He
Explanation:
When a nuclide is bombarded with alpha particles, we notice an increase in its mass and charge since an alpha particle has a mass of four and a charge of +2. recall that nuclear equations must be balanced. That is, the masses and charges on the left hand six and the right hand side of the nuclear reaction equation must be exactly the same.
Looking at the nuclear reaction at hand, the total mass on the left hand side has to be 246 while the total charge on the left hand side of the equation will be 98. Coming over to the right hand side, the total masses are also found to be the same as a neutron with no charge and a mass of 1 is produced. Hence the nuclear reaction equation is balanced when an alpha particle (helium nucleus) is substituted for X in the equation.
Answer:
24HE
I took the test!
Of the following chemical properties , which one is not one that Covalent compounds DO NOT have ?
a
They share electrons between their elements.
b
They have weaker bonds.
c
They have relatviely higher melting and boiling points.
d
Many of these compounds are usallly liquids or gases at room temperature.
Answer:
D. They are usually liquids or gases at room temperature.
Explanation:
Covalent compounds have covalent bonds, meaning that they share electrons between elements and have relatively higher melting melting and boiling points due to the strength of their bonds. However covalent bonds are weaker than ionic bonds which is why B is correct. D is the only incorrect one because it is incorrect and contradicts point C. If a substance has a high melting/boiling point than it is much more likely to be solid at room temperature because of the high temperature it needs to pass in order to be a liquid or gas.
Hope this helped!
Image by e2020
In the diagram, the lines dividing the parking spaces are parallel. What must be true about 1 and 22? What theorem
supports your conclusion?
A. 21 and 22 are supplementary; alternate exterior angles theorem
B. 21 22; alternate exterior angles theorem
C. 21 and 22 are supplementary; consecutive exterior angles theorem
D. Z1 Z2; consecutive exterior angles theorem
Mark this and return
Save and Exit
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Submit
Answer:
B. ∠1 ≅ ∠2; alternate interior angles theorem
Explanation:
Assume the diagram is like the one below.
The blue lines are parallel, and the red line is a transversal.
∠s 1 and 2 are between the parallel lines but on opposite sides of the transversal.
They are alternate interior angles.
Pairs of alternate interior angles are congruent.
A. is wrong. Alternate interior angles are congruent.
C. is wrong. Consecutive exterior angles are outside the parallel lines and on the same side of the transversal. They are like the two angles marked with a blue x. They are supplementary.
D is wrong. Consecutive exterior angles are supplementary.
What happens when air moves from an area of high pressure to an area of low pressure?
A Clouds are formed
B Humidity rises.
C Rain falls.
D Wind is created.
Answer: The answer is D. wind is created. :)
Answer:
D
Explanation:
Boiling water is an example of what type of what type of thermal energy transfer?
convection
conduction
insulation
radiation
Answer:
Conduction
Hot water is conducting heat because it is moving
Boiling water is an example of conduction heat transfer (option B).
What is heat transfer?Heat is one of the various forms in which energy can exist. Heat transfers with or without medium from one place to another.
There are three ways in which heat is transferred in the environment;
ConductionConvectionRadiationConduction is the conveying of heat or electricity through a solid material such as the material used to boil water in this case. Therefore, option B is correct.
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in water, what happens to a base?
It forms hydrogen ions (H+)
It condenses
It evaporates
It forms hydroxide ions (OH-)
Answer:
A base forms hydroxide ions in water.
Hope this helps
Which of these structures are found in plant cells but not animal cells?
A. Gogi apparatus
B. mitochondria
C. lysosomes
D. cell wall
Answer:
A
Explanation:
Answer:c
Explanation:
What is the primary role of the United States Bureau of Counterterrorism?
о
to plan counterterrorist attacks
to create active counterterrorism groups
to encourage domestic counterterrorism activities
to advance counterterrorism efforts in other countries
o advance counterterrorism efforts in other countries
Answer:
D
Explanation:
E2020
How come all skyscrapers don't look alike?
Answer:
It going to be confusing to see 10 skyscrapers that look the same and hard to go to the right one
Explanation:
Answer:
Most skyscrapers look some what alike because those are the building dimensions that need to be used in order to keep the building standing they cannot be built skinnier wider or taller or it could fall over or collapse injuring millions of people
Explanation:
Scientific Method
PART A: Put the following steps of the scientific method in the correct order,
1 Data
2 Hypothesis
3. Conclusion
4. Problem
5. Variables
6. Research
7. Procedure
Answer:
Problem, Variables, Hypothesis, Research, Procedure, Data, Conclusion.
Explanation:
First, you have to know what the problem that you're talking about is. Then, you have to know the independent, dependent, and controlled variables are in order to make a hypothesis. Then do research about the topic. After that, you make the procedure your experiment, if that's what your doing. Then after the experiment, you find the data. Using that data, you make a conclusion.
A solution with a H+ concentration of 1.00 x 10-7 M is said to be neutral. Why?
Answer:
Because when you find the pH it comes out to be 7; 7 is neutral.
Explanation:
pH=-log(H3O+)
- Hope this helped! Please let me know if you need further explanation.
A solution with a H+ concentration of 1.00 x 10-7 M is said to be neutral as on calculating pH, it comes out to be 7.
What is pH?pH, often known as acidity in chemistry, has historically stood for "potential of hydrogen" (as well as "power of hydrogen"). It refers to a scale used to describe how basic or how acidic an aqueous solution is. When compared to basic or alkaline solutions, acidic solutions—those with higher hydrogen (H+) ion concentrations—are measured with lower pH values.
Where [H+] represents the solution's equilibrium molar concentration of H+ (mol/L). Acidic solutions are those with a pH below 7, and basic solutions are those with a pH above 7, at a temperature of 25 °C (77 °F). At 25 °C, fluids with a pH value of 7 are neutral. A solution with a H+ concentration of 1.00 x 10-7 M is said to be neutral as on calculating pH, it comes out to be 7.
pH = -log[H⁺]
= -log[1.00 x 10⁻⁷]
= 7
Therefore, a solution with a H+ concentration of 1.00 x 10-7 M is said to be neutral as on calculating pH, it comes out to be 7.
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What process in stars played a role in the formation of the universe?
Answer:
When a clump of interstellar gas and dust is small and dense enough, gravity plays a decisive role in turning that material into a new star.
Explanation:
The process in stars that leads to the formation of the universe has been fusion and gravitational force.
The stars are hot massive clumps of gases. dust and clouds. The formation of stars with the fusion of mass has been given by the density stabilization for the gases and results in stars.
In space, the force acting has been the gravitational force. The higher the mass of the object stronger has been the force that results in the formation of galaxies and the universe.
The stars with the increase in the mass from the fusion of dust and clouds result in increased gravitational force and thereby the formation of planets and other bodies.
Thus, the process in stars that leads to the formation of the universe has been fusion and gravitational force.
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Who first discovered the phenomenon of radioactivity?
Answer:
Antoine Henri Becquerel
Explanation:
Though it was Henri Becquerel that discovered radioactivity, it was Marie Curie who coined the term. Using a device invented by her husband and his brother, that measured extremely low electrical currents, Curie was able to note that uranium electrified the air around it.
Which two substances are among the six most abundant elements in living
things?
A. Helium
B. Calcium
C. Chlorine
D. Nitrogen
Answer:
nitrogen
Explanation:
Living organisms often contain trace amounts of several elements, but the most abundant ones are oxygen, carbon, hydrogen, nitrogen, calcium and phosphorus.
Oxygen. ...
Carbon. ...
Hydrogen. ...
Nitrogen. ...
Sulfur. ...
Phosphorus.
The Six most Abundant Elements that occur in Living Organisms.
OxygenCarbon. Hydrogen. Nitrogen. Sulfur.Phosphorus.So the correct answer is option D. Nitrogen.
What is the main use of nitrogen?Nitrogen is important for plant growth and can be 'fixed' by lightning or added to soils in fertilizers. A colourless, odourless gas. Nitrogen is important to the chemical industry. It is used to make fertilisers, nitric acid, nylon, dyes and explosives.
What can nitrogen do to your body?
It is used to make amino acids in our body which in turn make proteins. It is also needed to make nucleic acids, which form DNA and RNA. Humans or other species on earth require nitrogen in a 'fixed' reactive form.
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how does the Doppler effect related to the universal expanding?
What are the oxidizing agent and the reducing agent in this chemical equation?
3Fe5 + 8HNO3 + 3FeSO4 + 8NO + 4H20
A) Fes is the oxidizing agent, and HNO3 is the reducing agent.
B) HNO3 is the oxidizing agent, and NO is the reducing agent.
C) Fes is the reducing agent, and HNO3 is the oxidizing agent.
D) HNO3 is the reducing agent, and NO is the oxidizing agent.
Answer:
C.
Fe goes from 0 to 2+, oxidation. It is reducing agent
N goes from 5+ to 2+, reduction. It is oxidizing agent
Explanation:
Oxidation number
Fe (s) has 0
FeSO4 has 2+
HNO3 N has 5+
NO N has 2+
ANSWER
C is the answer just trust me plz I GOOGLED it
#Google works # Big Brains
Explanation:
How can the motion of atoms in the solid state of most substances be described?
Answer:
The molecules in a solid are stuck in a specific structure or arrangement of atoms. The atoms still vibrate and the electrons fly around in their orbitals, but the entire atom will not change its position.
Calculate the volume that 12.5 g of Co, gas will occupy at a
temperature of 40°C and a pressure of 1.20 atm.
The volume of the gas can be calculated using the ideal gas equation. The volume of 12.5 g Co gas at 40° C or 313 K and at 1.2 atm is 4.4 L.
What is ideal gas law?Ideal gas law is the combination of all the gaseous laws, relating the temperature, pressure, volume and number of moles of gas as written below:
PV = nRT
here, n is the number of moles and R be the universal gas constant equal to 0.082 L atm/ (K mol), T be the temperature in kelvin and p is the pressure in atm and finally v is the volume in L.
Given that the weight of Co is 12.5 g. Its atomic mass is 58.5. Thus number of moles of Co gas is 12.5/58.5 = 0.21 moles.
Now, apply the values of pressure, temperature and number of moles to the ideal gas equation as follows:
V = nRT/P
= (0.21 × 0.082 L atm/ (K mol) × 313 K ) /1.21 atm
= 4.49 L.
Therefore, the volume of 12.5 g Co gas at 313 K and at 1.2 atm is 4.49 L.
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PLZ HELP OR WILL FAIL!!
Label A drop downs are: condensation, melting, sublimation
Label B drop downs are: condensation, melting, sublimation
Label C drop downs are: condensation, melting, sublimation
Where do diamonds come from?
Answer: Diamonds were first discovered and mined in India over 2,400 years ago.
Explanation: Over time, diamonds were found in many other areas around the world, including many in Africa. In today's trade, Africa, Russia, Australia, and Canada produce the most diamonds.
~Wonderopolis
Answer:
Diamonds are formed when under the heat and pressure of the earth's gravity. Diamonds have to be underground to be formed so they should be underground. Digging to Y11 is deep enough to find diamonds .
Is the relationship between the amount of gas and pressure direct or indirect?
Explain your answer
Answer:
A law that states that at constant temperature, the volume of a fixed amount of a gas is inversely proportional to its pressure. A law that states that at constant temperature and pressure, the volume of a sample of gas is directly proportional to the number of moles of gas in the sample.
Explanation:
In the modern periodic table, elements are arranged in order
based on the number of in the nuclei of their atoms.
Answer:
In the modern periodic table, the elements are listed in order of increasing atomic number. The atomic number is the number of protons in the nucleus of an atom. The number of protons define the identity of an element (i.e., an element with 6 protons is a carbon atom, no matter how many neutrons may be present).
Explanation:
Answer:Protons
Explanation: Just got it right on the CK-12 assignment :)
Water is an example of a
element j
ebhdfukfyerfkuq
Answer:
As known Water is an Example of an Element.
Identify 5 things that would happen if there is not electricity.
Answer:
Living with no electricity might not be as easy as you may think and you not realise how many items in your home rely on it to function.
Electrically managed technologies supply us with many things, such as heat, food, water, transport, energy, entertainment and communication. Electricity allows us to power the technology we use every day. If you plan on trying to live without electricity, you will no longer be able to turn on the central heating in your home, use the toilet, preserve food in your fridge/freezer or have clean running water. Despite surviving thousands of years without it before, we have come to depend on it to complete our everyday tasks and have built our lives around it.The Internet goes down.Brandon is trying to remember how the physical and chemical properties of metals, nonmetals, and metalloids compare. He wrote some notes down, then looked in his textbook to see which notes were correct.
Which of Brandon's notes, listed below, are correct?
I. Metals are the best at conducting heat, and nonmetals are the worst.
II. Metals are the worst at conducting electricity, and nonmetals are the best.
III. The shape of nonmetals is easy to change, but the shape of metals or metalloids is difficult to change.
IV. Nonmetals are dull in appearance while metals are usually shiny.
V. Metals tend to have a high density, and nonmetals tend to have a low density.
Answer:
The correct ones are:
|
|||
|V
V
Explanation:
Answer:
1 for and 5
Ex
Study island
How is gold related to suns life cycle?
Answer: Gold is shiny and bright just like the sun. Gold is yellow.
Explanation:
why is maple syrup more diluted than maple sap
