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Advocard [28]
2 years ago
9

How is the speed of a river’s flow determined? WILL MARK BRAINLIEST

Biology
1 answer:
timurjin [86]2 years ago
3 0

Answer:

Factors that affect the speed of a river include the slope gradient, the roughness of the channel, and tides.

Explanation:

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In addition to nourishing the epidermal cells, the dermal blood vessels function in:_____.
shutvik [7]

The dermal blood arteries work in dermal papillae to hydrate the epidermal cells.

<h3>What are dermal papillae used for?</h3>

The term "dermal papilla" can also be (DP). It is described as the hair follicle of an epithelial progenitor cell's chemical and physical niche. The dermal papilla's main job is to produce the hair shaft and rejuvenate the cycling section of the hair follicle. Dermal papillae are important because they reinforce the bond between the dermis and epidermis and reduce friction-related damage in places that are often used. Moreover, The dermis has a rough appearance thanks to the papillae, which interlocks with the epidermis above it to reinforce the bond between the two layers of skin. The papillae produce epidermal ridges on the palms and soles. These epidermal ridges give rise to fingerprints.

To learn more about dermal papilla, visit:

<u>brainly.com/question/28214941</u>

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4 0
1 year ago
Determine who has made the correct statement.
vesna_86 [32]
Neither is correct actually
8 0
3 years ago
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Fantom [35]

Answer:

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Explanation:

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3 0
2 years ago
Paper chromatography is a technique used to separate molecules based upon their size and solubility in a particular solvent. If
Tanya [424]

Answer:

a. Paper chromatography would separate the pigments into several bands that appear green or yellow/orange.

Explanation:

The primary or main pigment in plants is the chlorophyll. The chlorophyll gives plants their characteristics green colour and helps in the absorption of light during photosynthesis.

Other pigments in plants include carotenoid with its characteristic yellow, red or orange colour; anthocyanin with its re/blue colour and betalains with its red/yellow colour.

<em>Hence, if pigments from a particular species of plant are extracted and subjected to paper chromatography, one would expect the pigments to be separated into several colour bands ranging from green to yellow/orange.</em>

The correct option is a.

4 0
3 years ago
When a dna molecule is replicated, the daughter molecules contain one strand of parental dna and one strand of newly synthesized
mezya [45]
It is called <span>semiconservative replication.</span>
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