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A red blood cell has a diameter of approximately 8 micrometers, or 0.008 um. if a model represents its diameter as 8 um.
The ratio of the model size to the actual size would be
What is a unit of measurement?
A unit of measurement is a specified magnitude of a quantity that is established and used as a standard for measuring other quantities of the same kind. It is determined by convention or regulation.
As given in the problem a red blood cell has a diameter of approximately 8 micrometers, or 0.008 um. if a model represents its diameter as 8 um.
Size of the model /actual size = 8 /.008
=1000: 1
Thus, the correct answer is option D.
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What converts organic remains into fossil fuels? 1.chemical reaction 2water 3.heat and pressure
Answer:
Heat and pressure
Explanation:
Think about a real rocket launching at NASA. What are the action and reaction forces in the launch? Which forces do these action-reaction forces act against? (gravity? Normal force?)
Answer:
whats the question???
Explanation:
Answer:
the force is the fuel in the rocket that helps it lift off
Explanation:
During a hot shower, water vapor fogs up the cooler mirror when it turns to water. This is an example of ____. A) condensation b) deposition c) sublimation d) vaporization
A) condensation
Condensation is the transformation of a gaseous state into a liquid one, and it is the inverse of vaporization. The term is most commonly used to describe the water cycle.
Deposition is a phase transition in which a gas becomes a solid without first passing through the liquid phase.
Sublimation is the process of converting a solid to a gaseous state without it being liquid.
Vaporization of an element or compound is a phase transition from the liquid phase to vapor.
Therefore, During a hot shower, water vapor fogs up the cooler mirror when it turns to water. This is an example of A) condensation
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The evaporation of water is an example of a change in what?
What has to happen for these atoms/molecules to change from one state of matter to another? *view attachment*
Answer:Thermal energy is added or transferred
Explanation:
What is the name of the system that standardizes measurements in science
Explanation:
the international system of unit of the aside from the branch system International is a unit is is the metric system used in Sin industries and medicine
Answer:
Metric system
Explanation:
Also known as SI system
How can positive feedback influence the behavior of a system?
A. It can cause the system to maintain a constant output.
B. It can cause the system to decrease its input more and more.
C. It can cause the system to increase its output more and more.
D. It can cause the system to more efficiently convert inputs into
outputs.
Answer:Its C
Explanation:
Positive influence will always increase its output more and more as it increases
Make a list of twenty things in your home that are things you need. These should be things related to supplying you with warmth, food, and shelter
Answer: If in some sort of survival situation this might be of some help if its not then im not sure
1. Fire starter it is always handy to keep some sort of object that can help with warmth like a lighter matches or flint
2. A first aid kit would also be extremely helpful in case of injury it carries multiple different types of ways to clean a wound and bandage it properly
3. a Compas map or some sort of navigational device would be helpful in case you got lost
4. A phone or any way of communication would be helpful
5. Layers of clothing would be great or some sort of clothing fit for the climate you are in warm insalated clothing for winter and light clothing for heat
6. Rope or cords can be used for many things in the wild much like traps keeping your items or food off of the ground at out of the reach of animals
7. Water carrier and or any sort of water filtration device it is best to keep you from getting dehydrated.
8. A light source like a flashlight
9. Bug spray most insects can carry diseases like mosquitos and malaria
10. Any sort of survival knife bone saw or machete anything that can cut up animals or wooded areas are very helpful
11. Blankets they are very useful in keeping you warm out in the elements
12. Tarps they are best at keeping things dry
13. Batteries and charging devices are also very helpful
14. weapons like guns bow and arrows or knives are also useful
15. Burnable materials like paper cloth and such are useful for starting fires
16. meat is a very good source of protein and can be used to help keep the calorie intake for your body steady
17. berries are good for the sugar intake and as well as the jucie and water stored inside
18. beans are highly nutriocis they hold calcium and iron and can be dried up and stored for later needs
19. Fish it has omega-3 fatty acids which are healthy for your heart and it is high in vitamin b-12
20. oats they lower cholesterol levels and carries essential vitamins needed to keep the body healthy
Help please! Science!
Answer:
My best guess is B. Sorry if I couldn't be of more help but that is the most likely answer.
My request: Please leave a follow, it would help a lot!
Think about a real rocket launching at NASA. What are the action and reaction forces in the launch? Which forces do these action-reaction forces act against?
What property of matter takes up space
Answer:
Density
Amount of matter = mass
Amount of space it takes up = volume
Explanation:
A parking lot is going to be 40 m wide and 100 m long. Which dimensions
could be used for a scale model of the lot?
A. 10 cm x 25 cm
B. 100 cm x 300 m
O C. 75 in x 225 cm
D. 25 cm x 75 cm
Why was the microscope and its improvement an important part of the development of the cell theory?
Answer:it’s is part of the cell theory because they where studying cells and to see it you need a microscope
Explanation:basically in the answer area
How can removing thermal energy afect the state of matter? (Check all that apply)
a). When thermal energy is removed from water vapor the temperature decreases and condensation can occur.
b).When thermal energy is removed from a liquid the particles slow down and a water vapor is formed.
c). When thermal energy is removed from a liquid the temperature decreases, the particles slow down, and freezing occurs forming a solid.
d). When thermal energy is removed from water vapor the particles slow down and evaporation occurs.
The forced exerted on an object are shown. If the object moves right, which of the following is a possible value of F? Ignore my answer please help.
Answer:
5N
Explanation:
Because if it moves to the right, that means F is weak and 6N is STRONK
Which would increase the rate of dissolving salt into water? low temperature little to no agitation more surface area darker colors
Answer:
the answer is more surface area
Explanation:
i took the quiz and got it right
More surface area will help to increase the rate of dissolving salt in water.
What is dissolution?Dissolution is a process in which a substance is dissolved totally in a solvent or water. It is a process solute dissolve in solvent.
Therefore, More surface area will help to increase the rate of dissolving salt in water.
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What converts organic remains into fossil fuels? 1.chemical reaction 2.water 3.heat and pressure
Answer:
3. heat and pressure
Explanation:
Answer:
3. Heat and Pressure converts organic remains into fossil fuels
What is the relationship between an experiment and a hypothesis?
A. An experiment should be designed so that the hypothesis is
proven to be true.
B. A well-designed experiment is one that can test a number of
different hypotheses.
O C. A useful hypothesis is one that can guide the design of an
experiment.
O D. A hypothesis is an educated guess as to the outcome of an
experiment.
A useful hypothesis is one that can guide the design of an experiment. The correct option is C.
What are an experiment and hypothesis?It is possible to create fresh hypotheses and experiments that more closely match the results of the initial studies' observations. A hypothesis is formulated to explain an observation, and an experiment is created to test it. The experiment's findings might or might not support the hypothesis.
Negative results do not necessarily imply that the hypothesis is invalid. It implies that there must be another connection between the variables. To accomplish this, a new theory and experiment must be created in order to better account for the observations.
Therefore, a useful hypothesis is one that can guide the design of an experiment. The correct option is C.
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What is a unit for gas particle pressure? (Choose all that apply)
torr
kPa
mm Hg
atm
Answer:
The SI unit of pressure is the pascal (Pa), which is equal to one Newton per meter squared (N/m2).
Explanation:
Answer:
All of them are correct
Explanation:
What type of coal has the highest carbon content? 1.Sub-bituminous coal 2.Bituminous coal 3.Anthracite coal
Answer:
Anthracite coal contains the highest carbon content.
What are fossil fuels composed of? 1.Carbon 2.Nitrogen 3.Oxygen
Answer:
fossil fuels are composed of Carbon.
Answer: Carbon
Explanation: