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Questions (158,024)
which of the following has the highest boiling point?
a)C2Cl6 b)C2Br6 c)C2H6 d)C2F6 e)C2I6 i know its e, but why is that the
6 answers
asked by
RiChy
12,327 views
Which statement is correct about organelles that provide energy? (1 point)
A)They are responsible for cellular respiration.
63 answers
asked by
Need Help!
15,754 views
If 50 grams of water saturated with potassium chlorate at 23*C is slowly evaporated to dryness, how many grams of the dry salt
6 answers
asked by
Rachel
3,503 views
What is the convection pattern between 30'S and 30°N latitude? (1 point)
O Cooler air rises and moves toward the equator, then
5 answers
asked by
gifted
1,701 views
Walking and Swimming Whales Quick Check
1 of 4 1 of 4 Items Question Fossils are used to study(1 point) Responses organisms that
5 answers
asked by
+Dianna+
746 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
143 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
4,295 views
What is amylase? (1 point)
A. a nutrient absorbed in the small intestine B. An enzyme that breaks down food C. Acid in the
17 answers
asked by
Choklat daddy
3,177 views
What relationship exists between changes in the environment and variations?(1 point)
Responses Changes in the environment cannot
4 answers
asked by
jamalhunter778
579 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
2,905 views
How did the Industrial Revolution impact the population of peppered moths in Britain? (1 point)
The Industrial Revolution caused
6 answers
asked by
koala
2,254 views
an astronaut is to be fire into an elliptical orbit about the eathr having a minimum altitude of 800km and maximum altitude of
10 answers
asked by
Anonymous
3,455 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
Which fact is true during a fission chain reaction?(1 point)
A) The total number of protons will decrease over time. B) The total
11 answers
asked by
Lesco Brandon
6,086 views
Astronomers measure large distances in light-years. One light-year is the distance that light can travel in one year, or
10 answers
asked by
Justus
8,379 views
You dip your finger into a pan of water twice each second, producing waves with crests that are separated by 0.15 m. Determine
5 answers
asked by
Dominique
9,393 views
A 100g sample of water at 90 degrees celsius is added to a 100g sample of water at 10 degrees celsius.
The final temperature of
5 answers
asked by
Shellby
6,185 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
1,120 views
Which of the following correctly describes a sphere?(1 point)
4 answers
asked by
abfrmk3
477 views
How did Kepler develop his second law of motion?(1 point)
Responses He invented a telescope that was strong enough to view all
25 answers
asked anonymously
122 views
What causes days to be warmer on one part of the Earth than on another? The angle at which the sun strikes earth, the number of
3 answers
asked anonymously
349 views
A meteorologist collected data on a recent snowfall, the meteorologist graph the data and found the equation of the trendline to
1 answer
asked anonymously
110 views
which is common to the formation of all fossil fuels?
sedimentary rock is converted into carbon-rich fuels swampy forest plants
1 answer
asked anonymously
74 views
The earth has a diameter of 12 742 km. Calculate the following: 2.2.1 The angular velocity of the tree that is on the equator
1 answer
asked by
ADIVHAHO
44 views
What is most likely to happen if predators are introduced into an ecosystem with no known predators
1 answer
asked anonymously
31 views
A 25.0ml sampla of H2SO4 is titrated with 30.0ml of 0.150m NaOH.calculate the concentration of the H2SO4.
2 answers
asked by
Leilanie
170 views
what kind of galaxy is the milky way?
7 answers
asked by
frank
2,928 views
Which statement is true? (1 point)
A. Fossils cannot provide information about life cycles and behaviors. B. Fossils cannot
7 answers
asked by
QueenOfRiverdale
4,130 views
An electromagnet is the most powerful type of magnet there is. It is a magnet with a current running through it that can be
5 answers
asked by
Emperor
1,647 views
Give the scientific term for a wire that gets longer due to heat
4 answers
asked by
Kaay gee
170 views
The air temperature is 70 degrees, and the relative humidity is 90%. Which conclusion can be made?
7 answers
asked by
Your Mom
3,075 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
268 views
For students write their ideas about the relationship between wavelength and frequency, which student is correct
4 answers
asked anonymously
740 views
A scientist discovers a fossil of an animal and places it in the fossil record. The organism’s bones are similar to the bones
10 answers
asked by
hbfifedfh
385 views
A bacteria population is currently exactly one million and increasing at a linear rate of 15 per second. What will the
4 answers
asked by
james
3,661 views
How do fossil fuels play a role in the carbon cycle?(1 point)
Fossil fuels require a lot of carbon to burn, which takes carbon
17 answers
asked by
Cyan Sus
8,371 views
Use this sentence: On a summer day, the heat of the land heats the air, causing it to rise and spread before cooling over the
11 answers
asked by
Jaylen B
1,851 views
Earthquakes can be recorded on a seismograph. This device produces a piece of paper with a long flat line, along with scribbles
6 answers
asked by
Please Help soon
2,183 views
A direct-current power supply of low voltage (less than 10 volts) has lost the markings that indicate which
output terminal is
5 answers
asked by
Confused
3,832 views
A protein solution (0.3ml) is diluted with 0.9ml water. 0.5ml is taken and reacted with 4.5ml of reagent and the resulting
5 answers
asked by
Anonymous
1,667 views
In three to five sentences, describe how the diagram of Earth’s carbon cycle demonstrates the interactions among the biosphere
13 answers
asked by
Hiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
74 views
Which statement is true about DNA? (1 point)
• DNA cannot be analyzed in extinct organisms. DNA sequences can be encoded to
1 answer
asked anonymously
77 views
In the early 1900s, fire ants came to the mainland United States aboard ships that had docked in their native South America.
1 answer
asked anonymously
45 views
Which statement is accurate about natural selection? (1 point)
Natural selection cannot inactivate genes. Natural selection
1 answer
asked by
SQU1D_K1DZ
90 views
What two fundamental forces are combined in the standard model?
a. The electromagnetic and weak nuclear forces b. The strong and
1 answer
asked by
kricket
52 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
60 views
Which statement about natural selection is true?(1 point) Responses Natural selection produces animals that are faster and
1 answer
asked anonymously
54 views
A student is exploring the reaction seen here:
The student states that adding carbon dioxide or another acid to the system will
1 answer
asked anonymously
51 views
O is a dibasic acid H2X .G is a solution containing 1.00g of NaOH in 250cm³ solution.
1) calculate the concentration of G in
1 answer
asked by
Lisa
335 views
In the Dark - Quick Check
1. Weakly interacting massive particles/black holes/massive compact halos 2. Scientists have hypotheses
5 answers
asked by
Hey Lover <3
2,412 views
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