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finlep [7]
3 years ago
8

When conducting a biology investigation, why is it important to know the safety rules and symbols?

Biology
2 answers:
iris [78.8K]3 years ago
5 0
Because if you don’t you may die or get seriously hurt. Or just the investigation will go wrong and get unclear or wrong answers
givi [52]3 years ago
3 0
So you’ll know if something can harm you if anything goes wrong or anything gets on you
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. You may be taking a trip this summer. Imagine that you are on the airplane, about to fly to an exotic location. How do acceler
Kaylis [27]

<em>Answer:</em>

Thrust and Lift.

<em>Method:</em>

There are 4 forces acting upon a plane while it is moving. Drag (The air friction while it's in the air), Lift (Generated by the wings (The upward force), Weight (How heavy the plane is), and finally, Thrust (Generated by the engines which moves the plane/wings through the air generating lift). If there is enough air going over the wing at a high enough speed, and Thrust, and Lift overcome the other two forces keeping the plane on the ground, it can fly. The air pressure under the wing is higher than over the wing - If you have ever ran you hand under the water keeping it flat, you may notice it going up, those are basically the same forces, but under water.

How does the pressure under the wing affect the lift?

The difference of air pressure over the wing (which is less), which also means less force bringing the plane down. The air pressure under the wing is higher, putting pressure on the wing moving it up. A wing is designed to make the air travel a longer distance over the wing than under the wing creating the air pressure. The engines just enforce that process.

8 0
3 years ago
What is another word for the spine?
morpeh [17]
I have only heard a few phrases for spine


Backbone
Vertebrae (vertebral column)
Spinal column
6 0
3 years ago
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Which is a sustainable practice?
Ostrovityanka [42]

Answer:

A. wind farms

7 0
3 years ago
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Which role do gametes play in reproduction?
Lesechka [4]
<span>C. Gametes are the sex cells, and each (sperm and ovum) contain half of the parent's genetic material. These cells will fuse to produce a zygote, which will usually contain the full number of genes required by an organism to live. If there is a chromosomal abnormality, such as a gamete with an extra chromosome, the offspring can either die in development or sometimes be born with physiological and/or developmental difficulties. An example of this phenomenon is trisomy 21, also known as Down Syndrome, in which the 21st chromosome bears 3 copies instead of the regular 2.</span>
3 0
3 years ago
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Which area of the respiratory system is vascularized with the richest capillary network in the body?​
elena-14-01-66 [18.8K]

Answer:

There are from 200-500 million alveoli (mean diameter = 200 micrometers) in adult human lungs

Explanation:

The epithelial cells of the alveolar septum are markedly thinned and the capillary network immediately beneath the epithelium is the richest in the body.hope this helps you :)

3 0
3 years ago
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