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Viktor [21]
3 years ago
12

Hello please help i’ll give brainliest

Biology
2 answers:
Reika [66]3 years ago
7 0

Answer: Atmosphere

Explanation: It isthe envelope of gases surrounding the earth and protect it

prohojiy [21]3 years ago
3 0
Atmosphere is the correct answer!
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What does diffusion do in the respiratory system and circulatory system
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Answer:

Diffusion in the Lungs trades out Carbon Dioxide (CO2) for Oxygen (O2) In the Circulatory system it trades Oxygen (O2) for Carbon Dioxide (CO2)

Explanation:

As you breathe the Lungs take in air, as they do that the air travels to the bronchi, from there it goes through a process where the veins which have carried de-oxygenated blood to be diffused and reloaded with Oxygen and trade off their CO2. Then the blood flows through arteries and delivers the needed O2 to cells throughout the body and the cycle repeats.

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How does dna work reinforcement activity answer key?
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DNA fulfills the function of replicating itself, which is a process in which identical copies of each molecule of the same are made. This replication is essential so that the genetic data can be transferred from one generation to the next, constituting the basis of the inheritance.
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sergiy2304 [10]

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a) 2 Polynucleotide strands

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The pathophysiology of heart failure involves an interaction between decreased pumping ability and the ________ to maintain card
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Relatively uniform loss of color in leaves, occurring first on the older ones, is usually a sign of deficiency of which of the f
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