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Lorico [155]
3 years ago
13

Rivers contain a ________ percentage of earthâs freshwater

Biology
1 answer:
deff fn [24]3 years ago
7 0
1% of earths freshwater
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Which of the following is the largest particle in soil? A-clay B-sand C-silt D-humus
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Well the soil classification is usually done on the basis of particle sizes and composition of soil.

<span>Clay </span>usually consists of particles less than 0.075 mm in size. It is a sticky soil and shows great changes in volume with variation in its water contact. It also shows considerable strength when air dried.

<span>Silt </span>has larger particles than clay and are mainly inorganic in nature. The particle size is less than 0.075mm and exhibits slightly plastic or non plastic behaviour.

Humus is soil consisting of dead and decaying organic matter. It is mainly organic in content but some inorganic particles may be mixed in it. The top soil in a tropical forest may be considered as humus.

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What are the unifying themes in biology?
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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,

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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  

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2 years ago
A scientist is studying genes with complete dominance in flowers. If one parent is homozygous for the dominant gene, what princi
Pani-rosa [81]

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A. All offspring will be affected by the dominant traits

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