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Questions (158,067)
What happens to light as it passes through a blue sports drink?(1 point)
7 answers
asked by
who dat
1,123 views
How is an echo formed?
A.) Sound waves travel into a soft surface. B.) Light waves go around a smooth surface. C.) Sound waves
5 answers
asked by
goodog
334 views
What is kinetic energy
12 answers
asked by
Arnny
2,499 views
A lake may be polluted with Pb2+ ions. what precipitation reaction might you use to test for the presense of Pb2+?
4 answers
asked by
Josh
1,806 views
how much copper sulphate will require saturating 80 grams of water at 20 degree celcious .if solubility of copper sulphate at
4 answers
asked by
diwas pathak
1,219 views
Why is glass a good insulator?(1 point)
Responses The atoms in glass hold on tightly to their negatively charged particles. The
1 answer
asked by
baby weiner
73 views
suggest a reason why plastic article first coated with graphite
4 answers
asked by
julia sedupenyane
360 views
Why is copper wire a better conductor of electricity than carbon fiber?(1 point)
Copper (Cu) has no loose electrons. Copper (Cu)
3 answers
asked by
DINO NUGGETS
285 views
What discovery did the study of fossil horse teeth lead scientists to make?
a : Early horses had a specialized diet of grass, a
15 answers
asked by
Autumn
3,578 views
Which statement about the number of protons and neutrons in a nuclear change is correct?(1 point)
The total number of neutrons
6 answers
asked by
asdfghjkl
4,029 views
A scientist discovers a fossil of a new organism and places it in the fossil record. The fossil shows the organism had similar
1 answer
asked by
༼ つ ◕_◕ ༽つ
224 views
What would happen to a substance at the theoretical temperature of 0.K? (1 point)
O The substance's particles would stop moving
7 answers
asked by
I.D.C.I.I.C.I.S.S.I.N.T.D.W.H.T.B.D.
430 views
Hi! This is mainly for Ms Sue but i'd like anyone to check my answers. This is the Science Organelles Quick Check.
1. What helps
69 answers
asked by
:D yee haw
14,584 views
A continental polar air mass moves into an area. Based on the characteristics of this type of air mass, which changes are most
46 answers
asked by
Chelsea
13,197 views
What type of reaction occurs between copper (II) oxide and carbon? Give a reason for your answer.
5 answers
asked by
Douglas
2,869 views
deduce what similarities would be found in the DNA structure of genes from a cat human and eucalyptus tree
7 answers
asked by
Benji
6,697 views
What is the surface tension of water at 23 degrees Celsius?
5 answers
asked by
Jane
2,489 views
Frequency is measured in hertz . Which option best describes hertz
4 answers
asked anonymously
520 views
What is the chemical formula for slime using glue and borax?
3 answers
asked by
Bren
1,048 views
A diagram depicting one of the seasons shows the Northern Hemisphere tilted toward the sun. Which season is it in the Northern
3 answers
asked by
Santiago Cisneros from
161 views
In one or two sentences, describe a scenario using the combined gas law in which changes occur in pressure and temperature of an
3 answers
asked anonymously
191 views
Compared to wave A, wave B has a _____.
(1 point) Responses longer wavelength and greater frequency longer wavelength and greater
2 answers
asked by
your boy
58 views
Which electromagnet will produce the strongest magnetic force.
1 answer
asked anonymously
41 views
Question 4
Three different bird species are represented by the letters R, S, and T. Species S and T show similar coloration. The
1 answer
asked anonymously
50 views
Calculate the mass of Mg metal required to consume 2560g of CO2 in the reaction. 2Mg+CO2_2MgO+C
6 answers
asked by
Asad khan
4,898 views
The surface of which material is least likely to reflect light?(1 point)
Responses pillowcase sheet of metal mirror water
6 answers
asked by
Anonymous ;)
561 views
What can spectroscopes tell us about a space object?
A. calculate location B. determine temperature, chemical composition, and
7 answers
asked by
h
2,237 views
I noticed it was hard to check my answers on Black holes quiz in science so here are the answers
Where could scientists look to
8 answers
asked by
Science hero
4,696 views
Why is thermal energy (heat) required to freeze ice into crystals?
Responses- a- Heat must be absorbed by the reactants and the
3 answers
asked by
Someone
177 views
Which analogy best describes amperage? (1 point)
diameter of a pipe through which water moves Olength of the pipe through which
3 answers
asked by
Hlo
192 views
Modeling Sexual Reproduction Quick Check
Pleas help quick
20 answers
asked by
HELP
4,593 views
Equation For The Reaction Between Zinc Metal And Dilute Tetraoxosulphate (vi) Acid
6 answers
asked by
Favour
3,963 views
Which option can be a vector for a disease?(1 point)
parasite bacterium insect virus
11 answers
asked by
Shooshoo
1,407 views
Which shape does our galaxy have?
7 answers
asked by
Alejandro gonzalez
1,838 views
X-ray technicians wear protective gear to keep them safe from the X-rays. Why are X-rays dangerous?(1 point)
Responses They have
4 answers
asked by
osihxbdy8cgbefgb8y
235 views
How much energy is released when 2.05 mol of water vapour at 100C condenses with no change in temperature?
5 answers
asked by
Anonymous
1,406 views
What mass of aluminum is deposited electrolytically in 30 minutes by a current of 40A?
13 answers
asked by
Masre
4,017 views
[Please help this is my last question and I'm very confused.]
The chemical equation for photosynthesis suggests that blowing on a
7 answers
asked by
Unknown
3,646 views
Some say that the hot air balloons with which the Montgolfier brothers performed their first flight had a volume of 1700 cubic
5 answers
asked by
Nick
4,797 views
How much thermal energy is released when 500g of steam at 100° C condenses into water and cools to 50°C
Givens: m=0.5 kg t = 50
6 answers
asked by
AlphaStrike
7,421 views
Does anyone the Modeling Fission Quick Check answers?
7 answers
asked by
Benjamin
2,624 views
Why is the second derivative of a titration curve more accurate method to determine endpoints and equivalence points than the
4 answers
asked by
tevon
8,651 views
how many moles of iron would have been used up if 45.0g of copper were to be produced?
is it # mols Fe = 45.0gCu x 1mol/63.5g =
7 answers
asked by
Lily
3,265 views
Two reasons why displacement method is not suitable when determining the volume of a charcoal?
5 answers
asked by
Michael
2,822 views
Which process in photosynthesis uses energy from the sun? (1 point) absorbing carbon dioxide splitting water into hydrogen and
4 answers
asked by
FNaF non-binary
1,577 views
Even after twenty years of use, most quarters have the same shiny appearance that they did when they were minted. Most pennies,
4 answers
asked by
Homeworktaker
1,334 views
Can the law of conservation of mass be applied when cooking? In one to two sentences, explain why.
7 answers
asked anonymously
68 views
Label each of the following as a correct or incorrect notation for this genus and species.(1 point)
Correct Incorrect HOMO
1 answer
asked anonymously
105 views
Which of the following best describes a direct current?(1 point)
a stationary electrical charge the flow of electric charges
1 answer
asked by
DINO NUGGETS
196 views
During chemical reactions, bonds between atoms break and form. What does this mean in terms of subatomic particles?
A. Electrical
1 answer
asked by
Jeepers
149 views
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