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Sveta_85 [38]
2 years ago
8

Fill in the blanks:

Biology
1 answer:
Natasha_Volkova [10]2 years ago
5 0

Answer:

option c

Explanation:

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What is simple diffusion
ZanzabumX [31]

Answer:

Look it up on google <3

Explanation:

4 0
2 years ago
The pinkish hue of individuals with fair skin is the result of the crimson color of oxygenated hemoglobin (contained in red bloo
beks73 [17]

The pinkish hue of individuals with fair skin is the result of the crimson color of oxygenated hemoglobin (contained in red blood cells) circulating in the dermal capillaries and reflecting through the epidermis- is a <u>true</u> statement.

Explanation:

The color of skin of an individual is due to the presence of three main pigments present in the integumentary system – melanin, hemoglobin, and carotene.  

Melanin released by the melanocytes gives a black to brown complexion depending upon the number of pigments present.

Carotene obtained through dietary sources gets accumulated in dermal layers and gives a yellow-orange tinge to the complexion.  

The hemoglobin, which contains the red colored pigment ‘heme’ is the reason for the pink hue of fair skinned people. This hemoglobin present in the dermal capillaries running through the entire length integumentary system adds the unique pink hue to the fair complexion. So higher levels of oxygenated blood and skin blood perfusion lead to bright skin coloration.  

5 0
3 years ago
Friction is a force that results whenever two surfaces are ______ together.
koban [17]

Answer:

"rubbed together"

Explanation:

Friction is the resistance to motion of one object moving relative to another. It is not a fundamental force, like gravity or electromagnetism. Instead, scientists believe it is the result of the electromagnetic attraction between charged particles in two touching surfaces.

7 0
2 years ago
A scientist performs an experiment to see how plants respond to acid rain. He places the water plants in water of varying pH mea
krok68 [10]

Answer:

The scientist tested one variable to determine what caused the number of leaves to change.

Explanation:

3 0
2 years ago
What factors affect water quality?
Artemon [7]

Many factors affect water quality

Sedimentation.

Runoff.

Erosion.

Dissolved oxygen.

pH.

Temperature.

Decayed organic materials.

Pesticides.

6 0
3 years ago
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