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Butoxors [25]
2 years ago
14

Spacecraft is supplied air that is 80% Nitrogen and 20% Oxygen. True or False

Biology
1 answer:
Gennadij [26K]2 years ago
4 0

Answer:

True

Explanation:

I took a test an got it right :3

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Help me ALL of these, and you get brainiest! (:
Evgen [1.6K]

Answer:

1. Circulatory System

2. Respiratory System

3. Endocrine System

4. Nervous System

5. Urinary/ Excretory System

Explanation:

1. Circulatory System- The heart pumps blood and blood vessels such as arteries and veins, transports the blood to every part of our body providing organs and muscles with nourishment.

2. Respiratory System- This system maintains our breathing. It supplies the body with oxygen for cellular respiration.

3. Endocrine System- The glands of the endocrine system secrete chemicals called hormones that regulate most of the processes in our bodies like growth, reproduction, metabolism, etc...

4. Nervous System- The entire nervous system controls all of the other systems of the body and it also transmits information to the brain, such as pain and external sensations.

5. Urinary/Excretory System- This system is responsible for eliminating waste products of metabolism and other materials from the body that are of no use.

5 0
2 years ago
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list from largest to smallest the levels of organization in ecology: biome, ecosystem, habitat, community, population, and speci
jek_recluse [69]
I think it’s listed in largest to smallest order as is.
6 0
2 years ago
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The Joint Commission has developed standards for ambulatory clinics however the standards are only applicable to facilities who
Ugo [173]

Answer:

True

Explanation:

The joint commission is a non profit organization that examines healthcare organizations and provides accreditation. Even though it's services are employed by the government it is not monopolistic there are other organizations that also provide accreditation whose standards are also developed for who they have accredited

6 0
3 years ago
Which term describes the zone of life on the Earth that includes all living things? atmosphere biosphere magnetosphere lithosphe
suter [353]

Answer:savdasfvasfvasdv asaaaaaaaaaaaaaaaaaaaaa

Explanation:

4 0
3 years ago
An organism has a haploid number of 4. At the end of meiosis prophase, how many chromatids will be visible?
ICE Princess25 [194]
<span>Diploid number 4 implies 2n = 4. At the end of the meiosis prophase, chromatin condenses into two rod shaped structures called chromosomes, in which they become visible. The nucleolus disappears, the mitotic spindle forms, and the nuclear envelope disappears. The chromosomes are replicated forming two sister chromatids. In the end there are 8 chromatids.</span>
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3 years ago
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