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alexgriva [62]
3 years ago
11

Most microscopes are parfocal. This means that the distance from the nose piece opening to the focal plane of each lens has been

standardized. What does this mean to you with regard to how you use the microscope?A. When the specimen is in focus, the slide will always be the same distance away from the end of the lens no matter which lens is being used.B. Once the specimen is in focus under a low power lens, the microscope can be switched to a higher power lens without moving the stage and the image will be in or nearly in focus no matter what lens is used.C. All lenses will need to be used the same way, either through air or through oil.D. That the interpupillary distance and ocular focus ring will need to be adjusted for every lens being used.
Biology
1 answer:
lbvjy [14]3 years ago
3 0

Answer:

B. Once the specimen is in focus under a low power lens, the microscope can be switched to a higher power lens without moving the stage and the image will be in or nearly in focus no matter what lens is used.

Explanation:

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The movement of bone away from the midline of the body is called ________.
mixer [17]

The correct answer is D. Abduction

Explanation:

In medicine, the movement of limbs or bones is classified into different types including abduction, adduction, extension, and circumduction. In this way, adduction occurs when the bone or limb moves towards the middle line of the body or center of it while abduction occurs if the movement makes the bone or limb be away from the center of the body. On the other hand, extension occurs when a movement makes the angle of body parts wider and circumduction occurs when the movement is circular. Considering this, the type of movement in which a bone moves away from the midline of the body is the abduction.

6 0
4 years ago
Please help me answer this question!
user100 [1]

Answer:

60 times  greater ...idk ...i think

Explanation:

probably the answer is not good

3 0
3 years ago
Between 1955 and 2012 the global TFR Rose from 2.4 to 5 true or false
Arada [10]

I believe it is actually false.  It dropped from 5 to 2.4.  Hope it helps!

7 0
3 years ago
PLEASE SHORTEN SAMPLE ANSWER, PLS I RLLY NEED THIS
GaryK [48]

Answer:

here is the answer

Explanation:

Scarlet king snakes cannot camouflage and so instead they mimic a dangerous neighbor. Scarlet king snakes have evolved over the years to look like coral snakes so that they could scare away other predators that may be dangerous and would want to hurt them

this is the reason

----- now the simplified answer

the scarlet snake has a very random ( rare ) genetic variation , it mimcs or

( behaves a like or looks like  coral snake ) , it turns out that this trait  helps the snake high chance of survival, snake with this kind of trait are often likely to reproduce and pass their traits to their children

now most of the scarlet snakes have this trait

trait ;  a distinguishing quality or characteristic, typically one belonging to a person.

thank you

4 0
3 years ago
Read 2 more answers
How many covalent bonds can carbon make?
Ostrovityanka [42]

Answer:

4

Explanation:

Carbon has four valence electrons, so it can achieve a full outer energy level by forming four covalent bonds. When it bonds only with hydrogen, it forms compounds called hydrocarbons. Carbon can form single, double, or triple covalent bonds with other carbon atoms.

4 0
3 years ago
Read 2 more answers
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