4,347 Answered Questions for the topic Science

05/12/22

Injections that can help prevent viral infections
Injections that can help prevent viral infectionssecond letter is a , 10th letter is o and made up of 11 letters
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05/12/22

Soaps and cleaners that prevent the spread of germs.
Soaps and cleaners that prevent the spread of germs.second letter is I, 5th letter is n, 12th letter is t and is made up of 13 letters
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05/12/22

Any agent that causes a disease
Any agent that causes a disease5th letter is o and 8th letter is n, made up of 8 letter
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05/12/22

Poisonous substances created by plants (poison ivy), animals (rattlesnakes), or improperly prepared or stored food
Poisonous substances created by plants (poison ivy), animals (rattlesnakes), or improperly prepared or stored foodI think the second letter is I and made up of 6 words
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05/11/22

Spiderman stops a train

Background: Spiders can lift up to 8 times their own bodyweightThe force spiderman exerts is constant over the period of time he attempts to stop the train.The info given:The weight of the Train... more
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05/10/22

What type of chemical bond is this?
Through theorizing and experimentation, scientists have developed a model of a molecule of carbon monoxide (CO). The model has two atomic nuclei vibrating in place, surrounded by electrons in rapid... more
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05/10/22

What are two skeletal isomers that can be found on the structural formula of dibutyl ether?
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05/09/22

EXPLAIN THE DIAGRAM BELOW
EXPLAIN THE DIAGRAM BELOWDiagram- https://imgur.com/JKqEiAQ
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05/08/22

What is the best Data gathering method to use about climate change? why?
What is the best Data gathering method to use about climate change? why?
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05/08/22

What is the best research topic about climate change?
What is the best research topic about climate change?
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05/08/22

As a student, what are the DRRM(Disaster Risk Reduction and Management) measures and interventions in school and barangay that need to accomplish, support, and/or participate?
As a student, what are the DRRM(Disaster Risk Reduction and Management) measures and interventions in school and barangay that need to accomplish, support, and/or participate?List 5 of them. 
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05/08/22

Ways to help community reduce fire hazards/disasters. Express ideas in a drawing.
Ways to help community reduce fire hazards/disasters. Express ideas in a drawing.
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05/07/22

What are the oxidizing and reducing agent from these chemical reactions? And how many electrons did it gain (oxidizing) and lose (reducing)?
a.) CuO + H2 = Cu + H2Ob.) Zn + Pb(NO3)2 = Pb + Zn(NO3)2
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05/06/22

COMPLETE THE CROSSWORD PUZZLE GENERAL BIOLOGY

Image- https://imgur.com/SlswzoY1. DOWNSoaps and cleaners that prevent the spread of germs.2. ACROSSProkaryotic organisms that cause infections3. DOWNDiseases that can be passed (caught) from... more
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Science Chemistry

05/05/22

How to prepare soln. and buffer soln.

25.0 mL 18 M NaOH solution with 5 g KI and 0.15 g NaN3 250.0 mL 1.0 M NH3-NH4+ pH 10 buffer solution from NH4Cl and NH3 100.0 mL 0.0500 M stock Ca2+ solution
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05/05/22

Directions: Compare and contrast the immune system/immune response between plants and animals using a Venn diagram.

Directions: Compare and contrast the immune system/immune response between plants and animals using a Venn diagram. 
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Science Math Physics

05/04/22

PHYSICS Ray Diagrams
I have a few problems to solve about ray diagrams:PART 1:A certain concave, spherical mirror has a focal length of 53.0 cm. If the object is 42 cm high and is situated 155 cm in front of the... more
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05/04/22

Is this chemical equation a RedOx reaction?
SO2 + H2O = H2SO3
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05/04/22

What is the weight of arsenic trioxide (98.25% As2O3) that would be used as a sample so that 29.5 ml of 0.1 N iodine would be needed to titrate it?
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05/04/22

What is the concentration of ferrous sulfate if 18 ml of 0.1 M potassium permanganate is needed to oxidize 25 ml of ferrous sulfate solution?
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05/04/22

Describe data collection method and research area.
Describe data collection method and research area. My Research Topic: ___________________________________(what is the best research topic about climate change?) METHODOLOGYLocation of the... more
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05/03/22

Explain for each of the following cases, whether or not you are likely to be able to see your own reflection in a window
Window glass may be better at transmitting light than reflecting it, but there are certain circumstances where it is very clear that some light is reflected. Explain for each of the following... more
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05/03/22

A buoy floating on a lake is seen to rise and fall 20 times in a minute. What is the frequency with which the buoy oscillates?
A buoy floating on a lake is seen to rise and fall 20 times in a minute. What is the frequency with which the buoy oscillates?What is the period of motion?If water waves on the lake are traveling... more
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05/03/22

How much time would it take for a ray of light to travel between the two hills?
Galileo tried to measure the speed of light by having two people stand on hills about 5km apart. Eachwould hold a shuttered lantern. The first would open his lantern and when the second saw the... more
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Science Chemistry

05/03/22

Is this calculation for solution preparation correct?

Is this calculation for solution preparation correct? A. 25‎0.0 mL 1.0 M st‎ock HCl solut‎ion c1v1=c2v2(12.1M) (x)=(250.0mL)(1.0M)x= 20.6611‎5mL, 12.1M HCl ≅ 20.7mL, 12.1M HClB. 25‎0.0 mL... more
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