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Darina [25.2K]
3 years ago
8

Which of the following should be useful to show the percentage of total growth in plants exposed to various pollutants?

Physics
2 answers:
marishachu [46]3 years ago
5 0
I think it is D. Bar graph
tekilochka [14]3 years ago
3 0
The correct answer is d my friend
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A man pulls on his dog's leash to keep him from running after a bicycle. Which term best describes this example? Select one: A.
madreJ [45]
C. Negative force. The dog isn't going to learn that way.

6 0
3 years ago
I will mark you brainlist. How can you use a tuning fork to tune a piano?
Phoenix [80]

A tuning fork's job is to establish a single note that everybody can tune to.

Most tuning forks are made to vibrate at 440 Hz, a tone known to musicians as "concert A." To tune a piano, you would start by playing the piano's "A" key while ringing an "A" tuning fork. If the piano is out of tune, you'll hear a distinct warble between the note you're playing and the note played by the tuning fork; the further apart the warbles, the more out-of-tune the piano. By either tightening or loosening the piano's strings, you reduce the warble until it's in line with the tuning fork. Once the "A" key is in tune, you would then adjust all of the instrument's 87 other keys to match. The method is much the same for most other instruments. Whether you're tuning a clarinet or guitar, simply play a concert A and adjust your instrument accordingly

Explanation:

It can be a bit tricky to hold a tuning fork while manipulating an instrument, which is why some musicians decide to clench the base of a ringing tuning fork in their teeth. This has the unique effect of transmitting sound through your bones, allowing your brain to "hear" the tone through your jaw. According to some urban legends, touching your teeth with a vibrating tuning fork is enough to make them explode. It's a myth, obviously, but if you have a cavity or a chipped tooth, you'll quickly find this method to be unbelievably painful.

Luckily, you can also buy tuning forks that come mounted on top of a resonator, a hollow wooden box designed to amplify a tuning fork's vibrations. In 1860, a pair of German inventors even devised a battery-powered tuning fork that musicians didn't need to ring again and again

6 0
2 years ago
4. A motorist travels 406 km during a 9.0 hr period. What was the average speed in km/hr and m/s?
user100 [1]

Answer:

45.11 kmph and 12.530 m/s

Explanation:

Average speed = Total distance travelled / Total time taken

406/9 gives the answer in kilometers

And we convert it to m/s by multiplying it with 1000/3600

6 0
3 years ago
1. A bicyclist travels for 1.5 hours at an average speed of 23 km/h. How far does the bicyclist travel
allsm [11]

Explanation:

23 km/hr x 1.5 hrs = 34.5 km

34.5 km = 34500 meters

8 0
3 years ago
Read 2 more answers
Sleepwalking, night terrors, and restless leg syndrome are all examples of what?
boyakko [2]
Your answer in sleep insomnia, or the inability to affectively sleep
4 0
3 years ago
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