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Andrej [43]
3 years ago
12

Which blood vessels allow substances to pass through their walls? ​

Biology
1 answer:
Misha Larkins [42]3 years ago
8 0

Answer: 9. Arteries

10. pivot

11. ligament

hope this helps <3

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Forested watersheds are ineffective biological filters and do not remove pollutants from water.
Ulleksa [173]

no they take the nutrients from the water to make the soil better.

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3 years ago
A nurse has invited a patient to sit down and have a conversation. the patient takes the first seat. the nurse pulls up another
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Of course! Treat him well!
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3 years ago
A(n) ________ is a hard outside covering that is used for protection and prevents the inner body area from drying out.
Artist 52 [7]

The cuticle is the most exterior layer of arthropods' tegument, and its principal function is to protect the body and avoid dehydration. Option C is correct. Cuticle.

<h3>What is the cuticle?</h3>

The cuticle is the most exterior layer of arthropods' tegument. It is secreted by the epidermis and develops right over it.

It is composed of two main layers,

  • epicuticle ⇒ outermost layer
  • procuticle ⇒ inner layer

The cuticle is mainly made of chitin, and its function is to protect the organism's body and avoid dehydration.

Because it avoids dehydration it is believed that arthropods had such an evolutive and adaptative successful in their transition from water to the land.

The cuticle also provides support to the body and a muscle attachment surface.

The correct option is C. Cuticle

A _<u>Cuticle</u>_ is a hard outside covering that is used for protection and prevents the inner body area from drying out.

You can learn more about cuticle at

brainly.com/question/3997730

#SPJ1  

6 0
2 years ago
use the samples; diamond, dolomite, gneiss, and chalk and provide your analysis of composition and identification based on their
Trava [24]

Answer:

Diamond-

Physical identification characters:

Color-  White or Colorless

Lusture - admantine

Streak - Colorkess

Habit - Hour glass structure

Hardness - 10

Cleavage- octaheadral

Composition- pure carbon

Specific gravity-3.5

Dolomite (CaMg(CO3)2

Color - Colorless or white

Hardness is between 3-4

Reacts with any acid

Gneiss

Light and dark strip or banding present alternatively

biotite , pyroxene have Mafic mineral shows dark banding

Quartz, Feldspar have  Felsic mineral for light banding

High grade metmorphic rock which is formed due to regional metamorphism of lower grade rock

Chalk(CaCO3)

Color-White

Very fragile

Hardness-1

With acid gives effervescence.

4 0
3 years ago
What did gregor mendel want to find out when he decided to study pea plants.
Alexxx [7]

Answer:

How traits/characters were passed down and inherited from parents to offspring.

7 0
2 years ago
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