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rosijanka [135]
3 years ago
6

Which best describes pitch?

Biology
2 answers:
shepuryov [24]3 years ago
5 0

Answer:

this one

Explanation:

the amount of time taken for a longitudinal wave to produce one cycle the number of cycles per second perceived by the human ear.

Aleonysh [2.5K]3 years ago
4 0

The answer is B. the number of cycles per second perceived by the human ear

I got this question right :)

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Hemophilia is an X-linked recessive disorder (Xh) that is passed through generations and can be traced by using a pedigree.
yarga [219]

Answer:

The correct answer is C. does not have hemophilia

Explanation:

In the given pedigree John has an XH chromosome, which means that he has the dominant chromosome. As males have one X, they can either be affected or unaffected. So, in this case John could not be carrier. Also, the Dominant chromosome is fully functional and does not show the characters of the disease, so, John would be free of hemophilia.

6 0
3 years ago
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What biologists classify compounds into blank compounds and inorganic compounds
n200080 [17]

Answer:

Explanation:

Types of Inorganic Compounds

The following section examines the three groups of inorganic compounds essential to life: water, salts, acids, and bases. Organic compounds are covered later in the chapter.

plz mark as brainliest

3 0
3 years ago
Explain in detail how to use a microscope.
gtnhenbr [62]

Turn the revolving turret (2) so that the lowest power objective lens (eg. 4x) is clicked into position.  

Place the microscope slide on the stage (6) and fasten it with the stage clips.  

Look at the objective lens (3) and the stage from the side and turn the focus knob (4) so the stage moves upward. Move it up as far as it will go without letting the objective touch the coverslip.  

Look through the eyepiece (1) and move the focus knob until the image comes into focus.  

Adjust the condenser (7) and light intensity for the greatest amount of light.  

Move the microscope slide around until the sample is in the centre of the field of view (what you see).  

Use the focus knob (4) to place the sample into focus and readjust the condenser (7) and light intensity for the clearest image (with low power objectives you might need to reduce the light intensity or shut the condenser).

When you have a clear image of your sample with the lowest power objective, you can change to the next objective lenses. You might need to readjust the sample into focus and/or readjust the condenser and light intensity. If you cannot focus on your specimen, repeat steps 3 through 5 with the higher power objective lens in place. Do not let the objective lens touch the slide!

When finished, lower the stage, click the low power lens into position and remove the slide.  

Your microscope slide should be prepared with a coverslip over the sample to protect the objective lenses if they touch the slide.  

Do not touch the glass part of the lenses with your fingers. Use only special lens paper to clean the lenses.  

Always keep your microscope covered when not in use.  

Always carry a microscope with both hands. Grasp the arm with one hand and place the other hand under the base for support.

8 0
3 years ago
Do buffalo compete for food with other herbivores? If so, for what food and when?
irakobra [83]

Answer:

Sure grass.  And there is a lot of grass. Compete with wild horses, wild pigs, wild goats, wild "golfer's who are way off the fairway. Wild deer are in the forests, wild goats in the hills so buffalo and horses manage the plains and the back nine.  So much grass there was no competition...with the wild rabbits.  Grass continues to grow.  The buffalo move to greener pastures once they mowed down the other fields.  When there were Millions of them, they were not starving.

Explanation: Got this from somewhere hoping it helps!

5 0
3 years ago
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Gibberellins were extracted from<br> a) Bacteria<br> b) Virus<br> c) Algae<br> d) Fungi
inn [45]

Answer:

Gibberellins were extracted from <em>Bacteria</em>

4 0
3 years ago
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