Answers
Answer:
3
Explanation:
1 3 3 3 is the order of the choose
Related Questions
Students find another rock that is sandy and white. They drip hydrochloric acid on the rock, but it does not fizz. Describe the processes that contributed to the formation of this rock.
pleasee help!
Answers
Answer: The processes that formed the rocks are deposition, cementation, and erosion because there was no chemical reaction (fizz)
Explanation:
because there was no chemical reaction (fizz)
What is the product of 1.65 and 1.05 x 10-27
Enter your answer in the box using standard notation. Use an initial 0 and a decimal point as needed
Answers
Answer:
-9.675
Explanation:
correct me if im wrong.!!
PLEASE HELP ILL MARK U BRAINLIEST!
A _________________________________ is a solid, naturally formed substance that always has the same
composition and the same properties
Answers
A solid, naturally formed substance that always has the same composition and same properties
Answer: A rock
I don't know what to put here.
Which of the following statements fully describes what an object may do when it experiences unbalanced forces? Select the two best answers.
A. It may change directions.
B. It will move at a constant speed.
C. It may slow down.
D. It may slow down or speed up.
E. It will stay stationary.
Answers
Answer:b
Explanation:
please right a lot if you can thanks
Answers
Answer:
The terrarium model shows the many different aspects of life. The dirt shows the geosphere, which is the ground thaat the plant can grow in. The biosphere is represented by the plant growing, and the hydrosphere is the water that you use to water the plant, and the condensation that will gather on the lid. The atmosphere is the air inside the jar.
Explanation:
Each of the above show how the environment works.
Match the following items.
1.
uses a lens to gather and focus light
refracting telescope
2. separates starlight into wavelengths
radio telescopes
3. pick up faint-lighted stars
spectrograph
4. see binary stars
giant refractors
5. see behind nebulae dust
giant reflectors
Answers
Answer:
1-uses a lens to gather and focus light- giant reflectors
2-separates starlight into wavelengths- spectrograph
3-pick up faint-lighted stars- radio telescope
4-see binary stars- refracting telescope
5-see behind nebulae dust- giant refractors
Explanation:
is it correct?
PLEASE HELP ILL MARK U AS BRAINLIEST!!
Hot water deep within Earth can _________________________ minerals and transport them someplace else.
Answers
Hot-Water Solutions Groundwater works its way down and is heated by magma, and then reacts with minerals to form a hot liquid solution. H. Dissolved metals and other elements crystallize out of the hot fluid to form new minerals, such as gold, copper, sulfur, pyrite, and galena.
Answer:
What happens to hot water beneath the Earth as it moves up through fractured rock?
Circulating groundwater that comes into contact with the cooling magma is heated and rises to the surface along rock fractures to form either a thermal spring, figmarole, or geyser.
Explanation:
PLEASE MARK me AS BRAINLIEST! :)
Characteristics of Analog and Digital Signals
There are two types of electronic signals: analog and digital. Both signals transmit information and data, but they work in different ways.
A waveform is a visual form of a signal. It tells about the shape and characteristics of a signal in the form of a wave.
Compare and contrast the analog and digital waveforms shown. How are the waveforms similar? How do they differ? What characteristics of each wave can you identify from its waveform?
Answers
The waveforms of analog and digital signals are similar in that they both exhibit changes over time, and they can both be represented graphically as waveforms.
However, the waveforms of analog and digital signals differ in several ways. Analog signals have a continuous range of values, which means that the waveform can take on any value within a certain range. This results in a smooth and continuous waveform, with no discernible steps or levels.
Digital signals, on the other hand, have a limited set of discrete values. These values are typically represented as binary numbers (0s and 1s), and the waveform consists of a series of distinct voltage levels or pulses that represent these numbers.
Some characteristics of analog waveforms that can be identified from their waveform include amplitude (the height of the wave), frequency (the number of cycles per second), and phase (the relationship between the wave and a reference point).
Similarly, digital waveforms can be characterized by their pulse width (the duration of the pulse), pulse amplitude (the voltage level of the pulse), and the timing of the pulses relative to a clock signal.
In summary, analog signals are continuous and can take on any value within a range, while digital signals are discrete and represent data as a sequence of numbers. The waveforms of these signals can be similar in appearance, but they differ in their characteristics and the way they represent and transmit information
What is an ellipse please help)
Answers
In mathematics, an ellipse is a plane curve surrounding two focal points, such that for all points on the curve, the sum of the two distances to the focal points is a constant. As such, it generalizes a circle, which is the special type of ellipse in which the two focal points are the same.
Maybe they might use that math thing for Science.
What is true of a reaction that has reached equilibrium?
The reaction rate is zero.
The reaction rates of the forward and reverse reactions are equal.
The rate of the forward reaction is greater than the rate of the reverse reaction.
The rate of the forward reaction is less than the rate of the reverse reaction.
Answers
The second option, B.
Equilibrium is when two things are equal.
Can somebody help me with my science HW
Answers
2. C
3. C
4. B
5. C
How is density different from weight and mass?
Answers
Hello there!
How is density different from weight and mass you say? It's simple!
1. Unlike weight, density is composed of mass and volume.
2. By dividing the mass over the volume, you can determine an object's density, while weight is the product of mass and gravity.
Hope this helps :) if so, can I get Brainliest?
Weight is how heavy an object is/ how much force it exerts
Mass is how much matter is in an object
I hope this helps! If you need the formulas on how to get them you can always comment and ask :)
Use the picture below to answer the question.
Comparing the two waves, wave B has a...
A) higher frequency.
B) greater amplitude.
C) shorter wavelength.
D) longer wavelength.
Answers
Answer: D) longer wavelength.
Explanation:
As far as I know, you calculate frequency on a graph using the number of peaks you can see. Since the wavelength is shorter (the distance between two peaks on the wave), the frequency should also be higher as more fit on the graph.
What does this diagram represent?
A) a turbine
B) a motor
C) an electromagnet
D) a generator
Answers
Answer:
Option (D) A Generator
Explanation:
A generator is an equipment that has to do with the production of electricity by the use of electromagnetic induction. The generator has split rings that make contact with the exterior.
Learn what is a Generators here
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Mark BRAINLIEST
It is a generator since the electromagnetic radiation makes the coil and rod to spin
What is one example of a scientific model? (this is science I don't know why can't find it on "pick a subject" so yeah)
Answers
Answer:
Explanation:
I’ll try helping
Can you help me please
Answers
Answer:
D
Explanation:
DDDDD
When we rewrite the given in a simpler unit we have 7.9 ms-1.
What is dimensional analysis of formulas?By looking at the units of the quantities involved, dimensional analysis is a technique for determining whether a physical equation or formula is right. The essential tenet of dimensional analysis is that the quantities being multiplied or divided in the equation must have units that are equal to the units of the final result.
We know that we have to apply the principles that apply to dimensional analysis in the question and we have that;
m^2.s/m.s^2
= ms-1
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When the speed of the bottle is 2 m/s, the KE is kg m2/s2. When the speed of the bottle is 3 m/s, the KE is kg m2/s2. When the speed of the bottle is 4 m/s, the KE is kg m2/s2. When the speed of the bottle is 5 m/s, the KE is kg m2/s2. When the speed of the bottle is 6 m/s, the KE is kg m2/s2.
instructions
In this part of the experiment, you will be changing the speed of the bottle by dropping it from different heights. You will use the same mass, 0.250 kg, for each trial, so record this mass in Table B for each velocity. Then, calculate the expected kinetic energy (KE) at each velocity. Use the formula KE = mv2,
where m is the mass and v is the speed. Record your calculations in Table B of your Student Guide.
Answers
Answer:
Based on the given instructions, you need to calculate the expected kinetic energy (KE) at each velocity using the formula KE = mv^2, where m is the mass and v is the speed. The mass is given as 0.250 kg.
Table B: Calculation of Kinetic Energy (KE)
Table B: Calculation of Kinetic Energy (KE)
Speed (m/s)Mass (kg)KE (kg m^2/s^2)20.2500.50030.2500.75040.2501.00050.2501.25060.2501.500
To calculate the kinetic energy at each velocity, multiply the mass (0.250 kg) by the square of the velocity.
For example, when the speed of the bottle is 2 m/s: KE = (0.250 kg) * (2 m/s)^2 = 0.250 kg * 4 m^2/s^2 = 1.000 kg m^2/s^2
Perform similar calculations for the other velocities and record the results in Table B.
Answer:
Explanation:mass of the bottle in each case is M = 0.250 kg
now as per given speeds we can use the formula of kinetic energy to find it
1) when speed is 2 m/s
kinetic energy is given as
2) when speed is 3 m/s
kinetic energy is given as
3) when speed is 4 m/s
kinetic energy is given as
4) when speed is 5 m/s
kinetic energy is given as
5) when speed is 6 m/s
kinetic energy is given as
A mixture where one substance dissolves in another is called:
A) mixture
B) pure substance
C) solution
D) group
Answers
Answer:
its the big A
Explanation:
Candice did an experiment where wondered if temperature affects how cheese molds. She put a piece of cheese next to a different heat lamp and then measured how much mold was on each cheese. What is the DEPENDENT variable?
Answers
Oceans can store large amounts of thermal energy. How does this affect climates?
Answers
Answer: It stabilizes the Earth's climate system
Explanation:
If pea plants with the genotypes Pp and pp are crossed with each other, what percentage of the offspring will be pp?
Answers
Answer:
50? brainliest?
Explanation:
How does an atom change if all of its electrons are removed?
p.s. I'll mark the first answer the brainliest if it is correct! ;)
a. The atom’s volume increases.
b. The atom’s mass increases.
c. The atom becomes positively charged.
d. The atom becomes negatively charged.
Answers
c. The atom becomes positively charged
if the electrons are removed it means theres no longer a negative charge to balance the positive charge of the protons in the atom
Yikes ;-;
I’m stuck- Help-
Answers
Answer:
I'm pretty sure this is potential energy
Explanation:
Potential energy is energy held by an object when its let go its kinetic energy
Potential energy is the point where the object is still and has no type of movement. The energy remains constant until ready to be gained or lost.
Hope this helps!
1 Imagine you have two beakers of 75 g each. You pour 50 g of water in one beaker and 100 g of vinegar in the second beaker. Placing both containers on the scale you measure 300 g. You pour the water in with the vinegar and measure the mass of the beaker of liquid. Based on the information above and the image below, what does your scale read?
a. 225 g
b. 150 g
c. 375 g
d. 300 g
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In an experiment, the factor that we measure is called the A) independent variable B) conclusion C) controlled variable D) dependent variable
Answers
Answer:
Controlled variable?
Explanation:
I do know it is out of A C and D but even though it is in every science assessment I have i always fail to forget but I may be right but not fully sure last time I saw this the question was 4 weeks ago when I was really tired
What was the low temperature for hurricane Katrina?
Answers
Answer: 90 degrees F
Explanation:
Which statement best describes properties of elements? A) All elements have a similar structure and hardness. B) All elements are either metals or gases. C) All elements are solid and magnetic. D) All elements have mass and occupy space
Answers
Answer:
D
Explanation:
That is the right answer
Ionic Bonds are formed when two elements _________________.
Answers
Answer:
the complete transfer of some electrons from one atom to another
Explanation:
Which items are biomass energy sources? Select all correct answers.
the sun
wood chips
manure
paper
Answers
Answer:
wood chips, paper, and manure are biomass energy sources.
Explanation:
Biomass energy is energy generated or produced by living or once-living organisms.
Wood chips, paper, and manure are biomass energy sources. The primary form of energy from renewable sources that can be utilised to replace fossil fuels on a long-term basis is biomass.
Energy created or generated by living or formerly living creatures is known as biomass energy. Plants like the aforementioned maize and soy are the most prevalent types of biomass that are utilised for energy. These creatures' energy may be used to generate electricity or be burnt to provide heat. Direct combustion is the primary method of producing most of the power from biomass. In a boiler, biomass is burnt to create high-pressure steam. These turbine blades revolve as a result of the steam flowing over them. Wood chips, paper, and manure are biomass energy sources.
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Explain how thinking about chemicals at the atomic and molecular scale can help to explain observable phenomena, such as the changes you see when you etch copper.
Answers
Not a straight up answer, but moreover to help you get it: (Circuit Boards)
Aside from the tasks it performs, perhaps the most important function of a circuit board is providing a way to integrate the electronics for a device in a compact space. A PCB allows components to be correctly connected to a power source while being safely insulated. Also, circuit boards are less expensive than other options because they can be designed with digital design tools and manufactured in high volume using factory automation.
Partially straight up, helping you get the answer: (Copper Chloride)
Copper(II) chloride is the chemical compound with the chemical formula CuCl 2. This is a light brown solid, which slowly absorbs moisture to form a blue-green dihydrate.
Etching helps us to see the structure of the atoms of copper.
What is etching?The term etching refers to the process by which we expose the inner structure of copper. It is usually done electrically or by the use of an acid. The surface of the copper is removed and the inner structure of the copper is shown.
As such, when you etch copper, you can see the inner structure such as the arrangement of the atoms of copper and how they fit together.
As such looking through the etched copper would help you to appreciate that matter is composed of atoms.
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