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Science
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Questions (163,935)
Can the law of conservation of mass be applied when cooking? In one to two sentences, explain why.
7 answers
asked anonymously
97 views
According to the theory of continental drift, what was the original state of the world’s continents?
which is the true correct
1 answer
asked anonymously
45 views
Select the correct format for the scientific name of the domestic cat.(1 point)
Responses felis Catus felis Catus Felis catus
100 answers
asked by
SSD___LaoGao
423 views
During a lunar eclipse what is the penumbra. It is the part of our shadow where the sun is completely blocked. It is the part of
17 answers
asked by
No name
6,653 views
In one or two sentences, explain how the chemical equation for cellular respiration shows that plants cycle matter. Include the
22 answers
asked by
FNaF non-binary
5,078 views
Use the information in the table about four different electric circuits to answer the question.
Circuit Resistance (ohms) Voltage
7 answers
asked by
Lilly
554 views
What factors caused the correlation between the reduction in skin pigmentation in humans and migration of human populations away
4 answers
asked by
lalala
305 views
What is the lowest level of taxonomic classification (i.e., the narrowest)?(1 point)
species class genus order
10 answers
asked by
Random
539 views
If a 5.26-g sample of copper at 258C is placed in 125mL of water at 21.0C, how hot will the water get? Assume no heat loss to
6 answers
asked by
natash
2,859 views
The genetic engineering of crops is a controversial and debated issue in the media and press. Which of the following would be an
44 answers
asked by
bot?
346 views
The following samples are all water. Other than the temperature, all the water samples are identical. Which of the four samples
1 answer
asked by
kali
177 views
a relative density bottle weight 20g when empty 80g when fill with water and 100g when with a liquid. find the relative density
7 answers
asked by
Anonymous
1,721 views
Chemical Reaction Systems Unit Test
does anyone have the answers I'm stressed asf
11 answers
asked by
Anonymous
4,060 views
The reaction of sodium hydrogen carbonate (baking soda), NaHCO3 and vinegar is a safe and effective method of opening a clogged
4 answers
asked by
Mike
1,400 views
which is false?
Consider the following processes: I. Energy flows as heat from a hot object to a colder object II. Work is done
4 answers
asked by
matt
1,136 views
atomic numbers that add up to 200.
11 answers
asked anonymously
921 views
Which two inferences could be drawn from the statistics represented in the graph?
a graph showing changing levels of atmospheric
1 answer
asked anonymously
93 views
Question 2
The diagram shows an animal cladogram. Which table correctly matches the features to the letters labeled on the
1 answer
asked anonymously
80 views
Which best describes the relationship between the greenhouse gas effect and climate change. (3 points) Responses The greenhouse
1 answer
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58 views
According to Lynn Margulis's theory of endosymbiosis, bacteria entered large cells either as parasites or as undigested prey as
1 answer
asked anonymously
68 views
The Earth rotates from ______ to _____, giving rise to the apparent motion of the Sun each day.
(1 point) Responses north to
1 answer
asked by
lover
64 views
What happened to the average surface temperature of the water of the gulf of mexico from 1990 to 2005 to 2015?
1 answer
asked anonymously
88 views
find the change in electrical potential energy of an electron as it moves from a distance r1=1.0cm to r2=3.0cm from a point
1 answer
asked by
juliet
362 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
4,922 views
Providing Evidence Quick Check
3 of 5Items Item 3 Which is the best evidence to support the sentence? Wildfires are essential to
23 answers
asked by
gurl
10,433 views
When would a cup of hot coffee left on the counter stop transferring heat?
a When it has gained all of the air's thermal energy b
2 answers
asked by
kali
237 views
We did not use the volume of the water added initially to the Erlenmeyer in our calculations. Why?
5 answers
asked by
Kim
1,983 views
An isotope of sodium has a half-life of 20 hours. Suppose an initial sample of this isotope has mass 10 grams. The amount of the
5 answers
asked by
Anonymous
1,691 views
Which would produce a greater number of Calories- a pound of lean meat or a pound of butter? Why is it so?
13 answers
asked by
Bob
2,942 views
Which shape does our galaxy have? (1 point)
Responses irregular spiral elliptical circular
6 answers
asked by
Captain Bella
1,101 views
Which example demonstrates divergence? (1 point)
8 answers
asked by
clueless
1,924 views
Nuclear reactions can be written out in equation form with information about the nuclei that take place in the fusion reaction
6 answers
asked by
Lucid
4,090 views
What is kinetic energy
12 answers
asked by
Arnny
2,540 views
Why must a hole be made in the aluminium lid
7 answers
asked by
Abbot
1,799 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
1,613 views
a milk sample analyzed "as received" is found to contain 6.31% fat and 11.2% water. what is the percentage of fat on a dry
3 answers
asked by
lecille gaudiano
838 views
How can a planetary nebula be identified? Select 2 correct answers.
a. dark area b. diffuse edges c. spherical shape d. central
10 answers
asked by
Connexus Student
179 views
Briefly explain why the nitrogen cycle is an repeated pattern in nature in short
1 answer
asked anonymously
117 views
Have you ever noticed that adults like the taste of some bitter foods that adolescents just cannot tolerate the taste of? Things
2 answers
asked anonymously
62 views
Have you ever noticed that adults like the taste of some bitter foods that adolescents just cannot tolerate the taste of? Things
1 answer
asked anonymously
56 views
What happened to the average surface temperature of the water from 1990 to 2005 to 2015?
1 answer
asked anonymously
96 views
Click on "Back to the Water Bodies" and scroll down to Lake Erie then click "Select". Click "reset" to choose new parameters.
How
1 answer
asked anonymously
68 views
2 cells, each of Emf 2v and internal resistance 0.5ohms are connected in series .they are made to supply current to a
1 answer
asked by
Comrade
169 views
suggest a reason why plastic article first coated with graphite
4 answers
asked by
julia sedupenyane
379 views
Calculate the number of atoms of chlorine present in 7.45g of KCL
5 answers
asked by
Daisy
2,980 views
a volume of 50 cm of oxygen was exploded in 50cm of carbon iv oxide. what was the volume of the residual gas at room
2 answers
asked anonymously
203 views
Plz help
The absence of ice causes less ____ and more ___ in the ocean, adding additional ___ to the atmosphere.
4 answers
asked by
^^
144 views
Why are most plants that grow in the tundra small with thin, wax-covered leaves?
4 answers
asked by
one
311 views
Which of the following best explains why Mars' and Venus' surface temperatures vary, despite both planets having atmospheres
10 answers
asked by
Ready Set Go
4,338 views
I need help with Classification Unit Test 9th grade semester B the first question is ( Bords are uniquely classified from other
38 answers
asked by
Angel of God
2,240 views
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