Answer:
its not a its c
i think
Explanation:
When the flash light is pointed to a mirror it absorb some of the light and when it is pointed to the basket ball the light will refract in a different direction.
What is refraction?Refraction is an optical phenomenon in which the light changes is direction or bends when going from one medium to the other.
Mirror is transparent and will absorb and reflect light. Whereas, basket ball is opaque and never shows any reflection or absorption of light. Thus light when travel from air to the solid and then to air it bends in its direction.
Therefore, option D, that is the flashlight is absorbed by the mirror and refracted by basket ball in different direction is correct.
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Which of the following statements best defines the Law of Conservation of Mass?
Mass cannot be created but it can be destroyed under extreme presures
Mass cannot be conserved during a chemcial reaction: a little bit of mass is always lost
The mass cannot be created nor destroyed
Mass can be created and destroyed
Answer: mass cannot be created or destroyed.
Explanation:
Energy cannot be created or destroyed and mass is an energy!
Which observation shows that a substance is malleable?
O A. The substance can be stretched easily into wires.
O B. The substance flattens out when struck with a hammer
O C. The substance breaks apart when stretched.
O D. The substance shatters when struck with a hammer.
Answer:
the answer is B
Explanation:
the definition of malleable is- able to be hammered or pressed permanently out of shape without breaking or cracking
Answer:
Explanation:
The substance flattens out when struck with a hammer. Took test.
Where is the DNA stored in a cell?
Answer: nucleus
Explanation:
I will brainly
And 5 star rate....!!!
Answer:
disagree
lavoisers law of masses
Compound: ________________
. Found in soil; contains hydrogen (H) and oxygen (O)
Answer:
hydrogen im doing the same thing but diffrent
Explanation:
Match the terms
1.the total energy of any closed system, including all internal kinetic and potential energy of the system
2.a measure of the average kinetic energy of particles in an object
3.something that flows into a substance
Terms-
Temperature
Heat
Thermal Energy
Answer:
1-thermal energy, 2-tempurature, 3-heat
Explanation:
The correct match of the terms and their definitions are:
1. Thermal energy – the total energy of any closed system, including all internal kinetic and potential energy of the system.
2. Temperature – a measure of the average kinetic energy of particles in an object
3. Heat – something that flows into a substance
What is thermal energy?Thermal energy is the energy that is formed by heat. It is produced when the temperature of a body increases. This cause the molecules and atoms to run or move fast or collide with each other.
Heat is a form of energy that is produced when the temperature of a substance increases. Heat, thermal energy, and temperature are interconnected to each other.
When the temperature rises, the heat or thermal energy in the body increase, which cause the movement of atoms faster, and the atoms collide with each other.
Thus, the correct match is 1- thermal energy, 2- temperature, and 3- heat.
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What are some ways your body regulates the increase of body temperature that also occurs when exercising?
Answer:
Doing push-ups
Explanation:
When you workout you get hot so the tempeture of ur body increase.
Some ways by which your body regulates the increase of body temperature that also occurs when exercising are evaporation of sweat and skin blood flow.
What is effect of exercising on body temperature?
Our muscles quickly deplete stored energy when you start exercising. To make more energy, muscles combine oxygen with adenosine triphosphate or ATP. This process creates heat energy as a byproduct. Muscles generate the most heat because they produce so much energy.
Extra heat raises your body temperature, so your body needs to eliminate heat as quickly as possible.
Therefore, some ways by which your body regulates the increase of body temperature that also occurs when exercising are evaporation of sweat and skin blood flow.
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What are elements and how do they differ?
Answer:
Explanation:
Compound
A compound contains atoms of different elements chemically combined together in a fixed ratio.
Compounds contain different elements in a fixed ratio arranged in a defined manner through chemical bonds. They contain only one type of molecule. Elements that compose the compound are chemically combined.
A compound can be separated into simpler substances by chemical methods/reactions.
A huge, virtually limitless, number of chemical compounds can be created. Compounds are classified into molecular compounds, ionic compounds, intermetallic compounds and complexes.
A compound is represented using its chemical formula that represents the symbols of its constituent elements and the number of atoms of each element in one molecule of the compound
Element
An element is a pure chemical substance made of same type of atom.
Elements contain only one type of atom. Each atom has the same atomic number i.e., the same number of protons in their nucleus.
Elements cannot be broken down into simpler substances by chemical reactions.
There are about 117 elements that have been observed. Can be classified as metal, non-metal or metalloid.
An element is represented using symbols.
Answer:
element is defined as ONE substance. it's a pure substance and contains only oNE type of atom
Match the part of the wave to its description
Answer:
Crest Highest Point of the wave
Trough Lowest Point of the wave
Amplitude the height from mid point to the crest or trough
Wavelength Distance from one crest to another
The match of the wave is
Crest ⇒ Highest point of the wave.
Trough ⇒ Lowest point of the wave.
Amplitude ⇒ Height from mid point to the crest or trough
Wavelength ⇒ Distance from one crest to another.
What is wavelength?Wavelength the distance a wave travels in the time it takes a medium particle to complete one vibration. The letter k stands for it. The meter is its SI unit.
What is amplitude?
Amplitude can be referred to as the maximum displacement caused by the vibrating particle. A is the symbol for it. The meter is its SI unit.
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Compound: _________________
. Found in air; contains carbon (C) and oxygen (O)
Answer:
Explanation:
Contian power
1. Explain what the process of respiration is.
2. List at least 6 of the organs or structures which exist in the
respiratory system.
3. When we exercise, why do we breathe harder?
Answer:
The process of respiration is breathing
Explanation:
Question 6(Multiple Choice Worth 3 points)
(02.01 MC)
What is the landform in the image
Dune
Hill
Plateau
River
Answer:
C (Plateau) :)
Explanation:
Because a plateau is an area of relatively level high ground. so that means the answer is plateau!
What is the difference between force and velocity?
Answer:
A force pushes or pulls on an object, but velocity is simply something an object has
Explanation:
I need help assappp
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PLS HELP ME! por favor, ayúdame!
Convection is a process in which the heat from one part of a fluid ( which can either be a liquid or a gas ) moves to its other parts .
Photosynthesis occurs. How do plants get the carbon dioxide they need for photosynthesis?
And done! :)))))))))
How many atoms are in (NH4)2SO4
Answer:
15
Explanation:
1N
4H
2S
(2*4=8)O
What harmful rays does the atmosphere block?
ANSWER: UV rays from the sun.
The Ozone layer blocks those rays.
Hope this helps!
Answer: UV-C and UV-B are harmful rays the atmosphere blocks
What type of energy transformation is happening?
a boy sliding his foot across the floor
A Electrical energy is created by friction when his foot slides across the floor.
B The mechanical energy of his foot moving across the floor is transformed into chemical energy.
C When his foot is sliding across the floor, it creates heat energy through friction.
D When his foot rubs against the floor, the energy of motion changes into light energy.
One atom of carbon _____.
has four electron shells
is part of all inorganic compounds
forms a special shape called a tetrahedron
can bond with up to four other atoms
Answer:
One atom of carbon:
does not has four electron shells
cannot form a special shape called a tetrahedron
is not part of all inorganic compounds
so only right ans left: can bond with up to four other atoms
Which statement describes a chemical property of gasoline?
O A. It melts at -57°C.
O B. It is highly flammable.
O C. It is a clear liquid.
O D. It has a density of 0.7 g/cm3.
Why is rain likely when warm, moisture-laden air meets cold air? A) The lighter warm air will rise and cool down, causing condensation and rain. B) The cold air moves faster and pushes the warm air away, causing condensation and rain. Eliminate C) The moisture in the warm air condenses on contact with the cold air, causing rain to fall. D) The cold air mixes with the warm air, reducing its temperature causing moisture to condense.
Answer:
B) The cold air moves faster and pushes the warm air away, causing condensation and rain.
Why is it important to have a control?
IN SCIENCE.....SOUND CONTROL
P.S don't make it sound like ur a genius
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22 grams, 5 x 3 x 1 = 15 / volume. mass (330) ÷ 15 (volume) = 22 grams (density)
Answer:
22g
Explanation:
You can use the formula to get density but to get there you need to know volume. Volume is length x width x height. V= 3x5x1. Volume is 15. Then you take your mass and divide it by volume to find density. D= 330/15. The density is 22g.
How many atoms doesCo(NO3)2 have
Organisms on earth are
what-based life forms
oxygen
hydrogen
carbon
Which oneeeeeeeeeeeee
Answer:
Agree
Explanation:
This is what I found.
Air is actually a collection of very small molecules; oxygen gas and nitrogen gas are molecules made from two atoms each. Only the noble gases readily exist as single atoms.
Hope this helps.
Answer:
Air is actually a collection of very small molecules; oxygen gas and nitrogen gas are molecules made from two atoms each. Only the noble gases readily exist as single atoms.
Explanation:
I hope this helps. I'm not sure because it would depend on the gas. But I would go with disagree personally.
What is a diaphragm? What does it do?
The diaphragm, located below the lungs, is the major muscle of respiration. It is a large, dome-shaped muscle that contracts rhythmically and continually, and most of the time, involuntarily. Upon inhalation, the diaphragm contracts and flattens and the chest cavity enlarges.
Explanation:
Diaphragm contracts and expands when you breathe air
Answer:
A diaphragm on a microscope is the piece that enables the user to adjust the amount of light that is focused under the specimen being observed. A diaphragm is typically found on higher-power microscopes versus less expensive or toy models. The diaphragm is located directly under the stage or platform where user places the specimen or slide.
Explanation:
Think of a creative title for a video about the states of matter
Answer:
States of life ?
Explanation:
maybe this ?