Answer:
I’m pretty sure it would be the sinus cavity
Explanation:
They are located on the sides of your nose and they help filter and add moisture to any air that is inhaled
The structure contains cells that attach to the molecules we breathe in
d)sinus cavity
What are sinuses?
The sinuses are part of the nose and respiratory system , they connect to your nasal passage in a complex network of air flow and drainage passages
The structure contains cells that attach to the molecules we breathe in
d)sinus cavity
As we breath in air through our nose and mouth , it moves through sinus passage . The sinus also produce mucus that coats and lubricate the nasal passages and the sinuses themselves
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The Humbolt squid can travel 410 meters in 60 seconds. The squids average speed is ____. (Round to the nearest tenth)
Answer:
They swim at speeds up to 24 km/h (15 mph; 13 kn).
Explanation:
NEED IN 5 MINUTES
Why do you think it’s necessary for meteorologists (weather scientists) to study multiple types of data when
predicting upcoming weather? Which types of data are important
sorry i didnt get this intime.....i hope you did well in whatever you did
Explanation:
An archer shot a 0.07 kg arrow at a target. The arrow accelerated at 4,000 m/s2 to reach a speed of 50.0 m/s as it left the bow. During this acceleration, what was the net force on the arrow?
A) 280 N
B) .0000175 N
C) 57,142 N
D) 3.5 N
The net force which has to be applied on the arrow of 0.07kg to accelerate at the rate of 4000m/s² is 280N. Thus, the correct option is A.
What is Force?
A force is an influence which can be a push or a pull that can change the motion of an object. A force can cause an object with some mass to change the velocity, i.e., results into acceleration. A force is a vector quantity as it has both the magnitude and direction.
Force applied on an object can be calculated by the formula:
f = m × a
where, f = force applied,
m = mass of the object,
a = acceleration of the object
Therefore, the force applied on the arrow is:
f = m × a
m = 0.07kg
a = 4000m/s²
f = 0.07 × 4000
f = 280N
Therefore, the correct option is A.
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Use the diagram below to answer the questions that follow for 1 point each. Predict the change seen in the balloon in the freezer Explain your prediction Use the equation to provide additional support for your prediction
NO LINK ANSWERS
Answer:
The particle model of matter is one of the most useful scientific models because it describes matter in all three states. Understanding how the particles of matter behave is vital if we hope to understand science!
The model also helps us to understand what happens to the particles when matter changes from one state to another.
The following diagram shows different changes of state, as well as which processes are the reverse of each other. Melting and freezing are the reverse processes of each other and so are evaporation (boiling) and condensation.
Explanation:
A parallel circuit has a 125 Volt battery connected with 3 resistors. R1= 20 Ω, R2= 100 Ω, and R3= 50 Ω. Find the total current of this parallel circuit.
Hint: Find Total Resistance of a parallel circuit first then use Ohms Law I = V/R
10 A
1.5 A
8 A
16 A
Answer:
10A
Explanation:
to calculate r
1/R=1/20+1/100+1/50=2/25
r=25/2=12.5
I=125/12.5=10A
A baseball is thrown at 90 mph from east to west over a distance of 60 ft. What is
true of the ball's motion?
Its speed is 90 mph to the west.
Its acceleration is 30 mph.
Its velocity is 90 mph to the west.
Its acceleration is 150 mph.
Answer:
Its acceleration is 30 mph.
Explanation:
The true of the ball's motion will be that the velocity is 90 mph to the west. Velocity is the vector quantity. Because it shows the direction.
What is acceleration?
Acceleration is defined as the rate of change of the velocity of the body. Its unit is m/sec². It is a vector quantity. It requires both magnitudes and direction to define.
The given data in the problem is
The velocity of baseball is,V= 90 mph
The distance travelled in mile is; d=0.0113636 mile
The time period is obtained as;
[tex]\rm t = \frac{d}{v} \\\\ \rm t = \frac{0.0113636}{90} \\\\ t=1.2 \times 10^{-4} \ hr[/tex]
The acceleration is obtained is 0.00108 mile/hr².
Hence, the true of the ball's motion will be that the velocity is 90 mph to the west.
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URGENTTT PLEASE HELP
A 3-kg rock falls for 5 sec. What is its speed after falling for 5 sec? Reminder - Acceleration due to gravity, on Earth = 9.8 m/s/s
Please answer asap
While at the beach, Lee collected this pile of rocks. How could Lee find out whether the rocks contain the same minerals?

A) Compare their sizes.
B) Compare their shapes.
C) Compare their masses.
D) Compare their colors.
This is a written question.
No link answers please!!!
1.Predict the change seen in the balloon in the freezer
2.Explain your prediction
3.Use the equation to provide additional support for your prediction
Answer:
2
Explanation:
it freezes from liquid to solids
have u ever wanted to just sleep all day and night
Answer:
yes ofc
Explanation:
NO MFKN LINK
9.The distance something travels in a certain amount of time, such as 45mph, is
(10 Point)
A. Velocity
B. Speed
C. Time
Answer:
The answer is A
Explanation:
Velocity is the rate of change of its position with respect to a frame of reference, and is a function of time.
Why does autumn start in different months of the year in North America and South America?
A) The earth is tilted on its axis creating different seasons in the North & Southern Hemispheres at different points in its revolution around the sun
B) The earth is at a different distance from the sun due to its revolution
C) The sun is stronger during autumn due to the earth's elliptical orbit.
D) The earth’s tilt causes the Northern Hemisphere to receive more sun year-round Eliminate
Answer:
D
Explanation:
Autumn start in different months of the year in North America and South America due to the tilt in earth's axis creating different distance from the sun for different regions.
What are seasons ?A season is a time of year that can be identified by unique climatic features. Spring, summer, fall, and winter all occur in regular succession. Each has distinctive seasonal variations in light, temperature, and weather.
Each seasons starts at different month in two hemispheres of earth. This s due to the fact that, earth's axis is not perfectly circular and it is slightly tilted towards sun.
When the Northern Hemisphere is tilted toward the sun in June, more of the day is spent being illuminated by the sun's rays than it is in winter. As a result, there are longer daylight hours.
There are fewer daylight hours in December because the Northern Hemisphere is tilted away from the sun. Similarly the autumn season also differ from that of the southern hemisphere.
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Which characteristics belong to Whittaker’s classification system? Select two options.
a.three domains
b.six domains
c.two kingdoms
d.five kingdoms
e.five levels
f.seven levels
g.eight levels
Answer:
Five kingdoms & Seven levels
Explanation:
Robert H. Whittaker proposed five kingdom classical system for living organisms in 1969. These were: Kingdom Monera, Kingdom Protista, Kingdom Fungi, Kingdom Animalia, and Kingdom Plantae. His work was the improvement of earlier work conducted by Carl Linnaeus who proposed three kingdom classification system (Animalia, Plantae, and Protista).
Whittaker's system further categorized each kingdom to seven levels. These were: Kingdom → Phylum → Class → Order → Family → Genus → Species. This categorization was based on similarities in organisms at different levels.
PS: The scientific name of each organism is the combination of genus and family name.
name all of the processes of the rock cycle... and number them by the picture.... no links
Answer:
1. magma
2. igneous rock
3. sediments
4. sedimentary rock
5. metamorphic rock
6. melting
7. cooling, heating
8. weathering and erosion
9. compaction and cementation
10. heat and pressure
11. heat and pressure
12. weathering and erosion
Explanation:
just trust me .!!
Okay, I have three more questions.
1.) When a gas or liquid is heated, it warms, expands, and blank because it is blank dense.
2.) When a gas or liquid is cooled, it becomes blank dense.
3.) As the warm gases and liquids rise and cool gases and liquids sinks, it creates a blank.
help please rlly easy
Answer:
If its that easy do it yourself not tryin to be mean but this is just a stem and leaf diagram
Explanation:
Any absurd answers will be reported, no links either. Ill give branliest to someone with the best answer and someone who answered them all correctly
Answer:
1. D
2.C
3. A
4. B
5. D
I tried my best hopefuly you get good grade :)
Select the statement below that best describes how environmental conditions affect an individual’s likelihood of survival and reproduction.
Explain why you chose the answer you did to the question above.
Answer:
I need more information it depends on the conditions.
I chose this answer because different people have different illnesses and that can effect how their bodies respond to the environmental conditions
Answer: The 2nd box from the top
Explanation: I know because I just did this
ill give 50 points aNd brainiest to who ever gives the best answer, its due in 30 minutes , please help
Explain in 200 words the process that causes dew to form on blades of grass.
no links or saying random things.
dont answer just for points i will report ur answer.
Answer:dew is formed on grass
Explanation:Dew forms when the object, such as the glass, cools down to the dew point temperature. Water molecules in the air continually bombard surfaces, like blades of grass. ... If the object gets cold enough, and there is enough moisture in the air, condensation is much greater than evaporation and the film grows into dew drops.
Answer:
Hope the answer helps you!!
Have A nice day!!
Pls mark as Brainliest
Explanation:
Dew forms when the object, such as the glass, cools down to the dew point temperature. Water molecules in the air continually bombard surfaces, like blades of grass. ... If the object gets cold enough, and the air contains enough moisture, condensation exceeds evaporation, and the film grows into dew drops
As fall begins, we have lots of mornings with dew on the grass. To explain this, we start with the fact that air contains water in the gas phase, called water vapor. Dew is made of liquid water that has condensed from that water vapor.
Dew occurs when objects cool, such as when drops of liquid form on the outside of an ice-cold drink glass. Dew forms when the object, such as the glass, cools down to the dew point temperature.
Water molecules in the air continually bombard surfaces, like blades of grass. Some of the molecules stick, forming a very thin film of water. This film may not last long, as the water is also evaporating. The evaporation rate depends on the water temperature, which equals the temperature on the grass.
So condensation depends on the state of the atmosphere (primarily temperature and moisture), while evaporation depends on the temperature of the object. If the object gets cold enough, and the air contains enough moisture, condensation exceeds evaporation, and the film grows into dew drops.
Each night the weather report includes the temperature and the dew point temperature. If the two temperatures are close, dew is likely during the night. Because wind and cloudy skies keep the ground from cooling, dew also tends to form on calm nights with clear skies.
Using the periodic table, determine which element these characteristics MOST LIKELY describe.
A(fluorine) (B iodine ) D (oxygen) C (sodium)
Answer: A) F
B) I
C) O
D) Na
Explanation: not sure if this is what ur asking for but those are the symbols
Four radioactive 10-gram (g) samples with their remaining isotope mass are listed in the table that spans 50 years.
Which isotope would be expected to have the longest half-life?
PLEASE GIVE ME THE CORRECT ANSWER (THANK YOU IN ADVANCE.) no links please, Just the answer.
A.
Silver-108
B.
Mercury-194
C.
Californium-249
D.
Americium-241
10 years 9.84 g 9.80 g 9.84 g 9.85 g
20 years 9.68 g 9.61 g 9.67 g 9.69 g
30 years 9.53 g 9.42 g 9.51 g 9.54 g
40 years 9.38 g 9.24 g 9.36 g 9.39 g
50 years 9.23 g 9.06 g 9.20 g 9.25 g
Americium-241 isotope would be expected to have the longest half-life. Hence, option (D) is correct.
What is half-life?
In radioactivity, the half-life is the time required for one-half of a radioactive sample's atomic nuclei to decay (change spontaneously into other nuclear species by emitting particles and energy), or, equivalently, the time required for the number of disintegrations per second of a radioactive material to decrease by one-half.
According to given data:
Rate of decay is the highest for Mercury-194, hence, its half-life is least. Then rate of decay is lowest for Americium-241, hence, its half-life is the longest. Hence, option (D) is correct.
The order of half-life according to the data is:
Americium-241 > Silver-108 > Californium-249 > Mercury-194.
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A balloon holds 50.0 mL of nitrogen at 25° C and a pressure of 736 mm Hg.
According to Boyle's Law, answer the following questions for 2 points each:
What will be the effect on the pressure inside the balloon if the volume is decreased to 25 mL?
Explain how this would demonstrate Boyle's Law.
Explain Boyle's Law in terms of the kinetic energy of molecules.
This is a written question
No link answers please!!!
Answer:
A container holds 50.0 mL of nitrogen at 25° C and a pressure of 736 mm Hg. What will be its volume if the temperature increases by 35° C?
✓ For this problem we would use the equation for Charles' Law which compares the direct relationship between Volume and Temperature when Pressure is …
Density of iron is 800 kg per cubic meter . calculate the mass of iron contained by a 5 cubic meter of iron block . Also calculate it's relative density..
Answer:
this is your answer look it once.
Answer:
hope it is helpful to you
explanation is in the attachment
This is written question
No link answers please!!!
Identify the beaker with the LOWEST amount of kinetic energy
Identify the beaker with the HIGHEST amount of kinetic energy
Explain the relationship between kinetic energy and thermal energy
Answer:
The hotter the substance, the more its particles move, and the higher its thermal energy. ... Heat. The heat from a heater. *Let's think about that cup of hot chocolate. ... Some matter changes from solid to liquid to gas as its particles heat, vibrate and separate. ... Boiling a kettle is an example of both thermal and kinetic energy.
Explanation:
What is a disadvantage of using nuclear power to produce electricity?
A.
Nuclear waste must be safely stored for many years.
B.
Nuclear fission produces less energy than burning coal or oil.
C.
Nuclear waste must be burned which produces carbon emissions.
D.
Nuclear fission releases more air pollution than burning coal.
Answer:
A
Explanation:
Calculate the energy transferred by a 12V hairdryer, running on a current of 0.50A, that is left on for 8.0 minutes.
No links, i will report any absurd answers. Make it a paragraph please- ill give branliest to the best answer
What inferences can you make about the melting points of the different substances and the motion of their particles, based on the data?
The wax has the greatest melting point than butter and cheese after the wax the cheese has the greater melting point than butter.
Melting point is the state at which the solid is converted into liquid on application of heat. Wax has greatest force of attraction among the wax particles which increases the melting point of the wax, that means higher temperature is required to break the bonds between the wax atoms. Butter has the lowest melting point, there is weak force of attraction between butter atoms the bonds between them break because of application of very little amount of heat. On application of heat on the cheese initially the cheese cube does not change in shape but become flattened due to application of heat. Hence, the wax has the greatest melting point than butter and cheese after the wax the cheese has the greater melting point than butter.Learn more about melting point:
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I really need help with this!! Will give brainliest if you help T^T
Answer:
What inferences can you make about the melting points of the different substances and the motion of their particles, based on the data? (ignore that needed it here so i could see it better.)
Explanation:
Butter has a lower melting point than the cheese and the wax. The motion of the cheese were a little separated while the butter articles have more space in between. The wax had the closest particles.
I dont know if that makes sense?