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Bess [88]
3 years ago
5

Which of these is a pure substance that cannot be broken down by a chemical reaction?

Biology
1 answer:
Amiraneli [1.4K]3 years ago
5 0

Answer: Element

Explanation: An element is a pure substance that cannot be separated into simpler substances by chemical or physical means.

Each element has unique physical and chemical properties.

Plz mark brainliest:)

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max2010maxim [7]
The answer to your question is
\boxed{\bf Enzymes}


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Which statement is correct about a euglena and a white blood cell? (1 point) A euglena cannot survive on its own because it is j
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Answer:

. A euglena survives on its own because it completes all life functions. A white blood cell cannot survive on its own because it is just one cell.

Explanation:

. A euglena survives on its own because it completes all life functions. A white blood cell cannot survive on its own because it is just one cell because A Euglena is a unicellular organism that can perform photosynthesis and complete cell activities. They live in fresh water, have eyespot, can excrete and have flagella for movement which are cellular activities

But a white blood cell cannot survive because it is one cell because it is produce from bone marrow and is a part of the immune system and work with other networks in the body system to fight against body infections.

3 0
3 years ago
A eukaryote has cells that do not contain a nucleus, whereas a prokaryote has cells that have a nucleus.
kap26 [50]

✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

                  Hello!

✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

❖ This statement is false.

PROKARYOTE cells are cells that don't contain a nucleus, whereas a EUKARYOTE has cells that have a nucleus.

~ ʜᴏᴘᴇ ᴛʜɪꜱ ʜᴇʟᴘꜱ! :) ♡

~ ᴄʟᴏᴜᴛᴀɴꜱᴡᴇʀꜱ

3 0
3 years ago
chlo by The core of the sun is so hot and there is so much pressure, nuclear fusion takes place: hydrogen is changed to helium.
scZoUnD [109]

<em>aryy</em><em>,</em><em> </em><em>your</em><em> </em><em>deleting</em><em> </em><em>ur</em><em> </em><em>id</em><em> </em><em>huh</em><em>?</em><em>?</em><em>,</em><em> </em><em>okie</em><em> </em><em>fine</em><em> </em><em> </em><em>!</em><em>!</em>

<em>good</em><em> </em><em>bye</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>✨</em>

6 0
2 years ago
Will mark brainliest!!!!..need ASAP with explanation
stepladder [879]

Answer:

its either community or ecosystem

hope this helps!

Explanation:

Term Meaning

Community All the populations of all the different species that live together in a particular area

Ecosystem All the organisms that live in a place, along with their physical environment

7 0
3 years ago
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