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Science and Technology
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Questions (7,212)
What is true about most higher-grade metallic ores? (1 point)
O Most of them can be extracted without requiring drilling. O They
6 answers
asked by
Empty room
283 views
can anyone help with Unit 5 Sample Work Assignment Chemical Reaction Systems pls (:
5 answers
asked by
david
861 views
A student is providing evidence to support the following central idea.
Roller coasters are designed by engineers who harness the
7 answers
asked by
safiya
1,643 views
How big was the Flying Saucer?
In the 1951 science fiction movie classic The Thing from Another World, a group of scientists and
3 answers
asked by
Archimedies
928 views
The untimely death of Professor Hathaway halted his groundbreaking research into the uses of solar power. It therefore appears
5 answers
asked by
christopher
4,024 views
Construction of zn-cu galvanic cell
1 answer
asked by
Fuad Faji Jemal
60 views
How does agricultural biotechnology benefit society?
A. Healing prayers, living organisms or parts of organisms by producing
3 answers
asked by
Lila England
193 views
If you want to project a microscope slide onto a screen , which machine would you use?
2 answers
asked anonymously
82 views
In the year 2005, a picture supposedly painted by a famous artist some time after 1815 but before 1865 contains 95 percent of
4 answers
asked by
Urgent help
8,239 views
How does the chemical reaction of a biomass, like kiwi, into synthetic materials, like plastic impact society?
7 answers
asked by
Brianna
2,949 views
if 60% of a radioactive element remains radioactive after 300 million years, then what percent remains radioactive after 500
3 answers
asked by
Lexi
2,292 views
A space shuttle 200 miles above the earth is orbiting the. Earth once every 6 hours. how far does the shuttle travel in one
5 answers
asked by
Ali
6,183 views
If a lightbulb uses 60 watts of power. If the light bulb is run for 5 hours everyday of a 30-day month how much energy did the
3 answers
asked by
Aly
539 views
HI
I have no idea what's Alternative energy source . Can anyone help me in giving me a defintion for it thanx An alternative
1 answer
asked by
Anonymous
734 views
FM radio waves have frequencies between 80.3 and 108 MHz. Determine the range of wavelengths for these waves.
5 answers
asked by
help
2,353 views
1. The machine is movable.
2. The machine is unmovable. 3. The machine is immovable. (What is the opposite of 'movable'? Is it
1 answer
asked by
rfvv
471 views
a battery operated tool, such as a cordless drill, converts...
a.) electrostatic energy to chemical potential energy b.)
4 answers
asked by
Sarah
2,312 views
Why the base of the spark plug of petrol engine is made of ceramics,give scientific reason??
3 answers
asked by
Ena
429 views
(I have no idea how to even approach this question. Can anyone please help me?)
Some people have proposed that the earth could
4 answers
asked by
Eva
1,338 views
Thermocouple
2 answers
asked by
Harrison
89 views
Explain how genetic engineering of plants and animals can be both beneficial and harmful to the environment and to people. Write
2 answers
asked anonymously
100 views
i need 2 examples of what researchers on the human genome project have already learned a bout the human genome
2 answers
asked by
Kate
541 views
What are the pros and cons to using a sensory panel over an analytical measurement to evaluate the texture of a product?
1 answer
asked by
Lynn
386 views
What technology would be best to use when analyzing the pigments in a large mural?
A. Photo editing software B. 3-D imaging C.
12 answers
asked by
Callie
3,223 views
what is the role of RNA in protein synthesis?
2 answers
asked by
Abrish
126 views
calculate how much sulfanilamide will remain dissolved n the mother liquor after the mixture is cooled to 0 degrees Celsius?
3 answers
asked by
king
2,008 views
What are the problems, environmental effects of the problem, and solutions for biological magnification?
I've been looking at so
2 answers
asked by
Alyssa
521 views
How would I go about estimating a stars apparent visual magnitude using only my eye's?Advice or good internet site is
1 answer
asked by
nichola
443 views
How do lost pet/pet ads predict earthquakes, procedure to do the project ?
3 answers
asked by
Sabrina
426 views
For the "ISOLATION OF CHLOROPHYLL AND CAROTENOID PIGMENTS FROM SPINACH" we have to do a purification scheme and from spinach
3 answers
asked by
Linrosa
467 views
One way of separating oxygen isotopes is by gaseous diffusion of carbon monoxide. The gaseous diffusion process behaves like an
3 answers
asked by
Anonymous
2,458 views
commercial preparation of ethanol
2 answers
asked by
kiaan
66 views
What is circuit diagram for NAND Gate?
2 answers
asked anonymously
170 views
why did herr begin designing prosthetic limbs
2 answers
asked anonymously
107 views
types of iron
2 answers
asked by
kiaan
51 views
true or false: Core shell allows for a composite to be produced materially, explain why.
1 answer
asked by
Rondezy
96 views
What are the process of seatbelts with using forces and kinematics?
2 answers
asked anonymously
63 views
A water treatment plant has 6 settling tanks
that operate in parallel (the flow gets split into six equal flow streams), and each
5 answers
asked by
=)
2,024 views
a light bulb manufacture claims that the mean life of a certain type of light bulb is more than 750 hours
2 answers
asked by
k
587 views
What is false reverberation
2 answers
asked by
Chioma
68 views
Method of applying chemical fertilizers
2 answers
asked by
Dorcas Eshun
104 views
Car seat belts play a vital role in minimizing injuly during collision .show using second law of motion how the impact force is
4 answers
asked anonymously
117 views
what forces are used to operate a car seatbelt
2 answers
asked anonymously
64 views
What are 4 use of transistor?
2 answers
asked anonymously
75 views
IS LED Electric or Electronics?
2 answers
asked anonymously
123 views
How led works
2 answers
asked anonymously
66 views
What is LED in electronics?
2 answers
asked anonymously
97 views
OR Gate Circuit Diagram by using transistor
2 answers
asked anonymously
113 views
6. Breadboards
7. Why Use Breadboards
2 answers
asked anonymously
73 views
6. Breadboards
2 answers
asked anonymously
78 views
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