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3 years ago

BRAINLIEST! (AS ALWAYS) Which of these examples describes a structure penguins use for movement?

Biology

2 answers:

Yuki888 [10]3 years ago

7 0

Answer:

A penguin uses sleek, smooth belly feathers to slide on ice

Elden [556K]3 years ago

5 0

It is the third option. Reason being is because the first one describes what they do when danger approaches and it doesn't say anything about moving. The second one describes what they do to protect their young from the harsh environment around them; no movements mentioned. The fourth one just says what a penguin does but they can be standing when they do it; no mention of any movements at all.

Hope this helps!! :)

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Answer these 3 questions and I will give the brainiest

kotykmax [81]

Explanation:

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3 years ago

In order to make new nucleic acids, your body needs food that contains:

kakasveta [241]

Answer:

The correct answer is I think D

Explanation:

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2 years ago

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The bacteria have an initial concentration of 1000 cells/cm3 . Each cell divides once every 30 minutes. Calculate how long it wi

Levart [38]

It will take <u>120 minutes</u> for the concentration to become > 15000 cells/cm³

<u>Given data:</u>

Initial concentration ( density ) = 1000 cells / cm³

Target/final concentration = > 15,000 cells /cm³

<h3 /><h3>Calculating the concentration every 30 minutes </h3><h3 />

<em>note</em><em> : Given that each cell divides every 30 minutes </em>

<u>After the first 30 minutes </u>

Concentration = 2000 cells / cm³

<u>After 60 minutes </u>

concentration = 4000 cells / cm³

<u>After 90 minutes </u>

concentration = 8000 cells / cm³

<u>After 120 minutes </u>

concentration = 16000 cells / cm³

Therefore after 120 minutes the concentration of the cells will be greater than 15000 cells/cm³ ( i.e. 16000 cells/cm³ )

Learn more about concentration : brainly.com/question/17206790

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2 years ago

Of all of the sunlight energy captured by the seaweed,

emmasim [6.3K]

Answer:

some of it I believe is the correct answer for that question

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2 years ago

Which component of the blood is part of the body’s immune system?

VARVARA [1.3K]

The answer is D, white blood cells.

The main function of white blood cells is to defense the body from bacteria or other pathogens. There's 2 main kinds of white blood cells, lymphocytes and phagocytes. Lymphocytes mainly produce antibodies that can kill bacteria or any pathogens, and phagocytes can ingest the pathogens directly.

Therefore, since the white blood cells can protect our body, they're part of our immune system.

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3 years ago

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