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tresset_1 [31]
2 years ago
8

The archaebacteria kingdom has been on earth for at least ________ years.

Biology
1 answer:
nata0808 [166]2 years ago
6 0

Answer:

Archaea are found in the harshest environments on Earth, and are the oldest known organisms on Earth, appearing in the fossil record over 3.6 BILLION years ago

Explanation:

Hope this helps!

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What is the main difference between vascular and nonvascular plants?
Fantom [35]
 vascular transports water, distributtes food, and found in the roots, stems, and leaves. <span> vascular plants grow faster and taller.

</span><span>nonvascular plants do not grow taller like the mosses.</span>
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What does the word photosynthesis mean?
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when a plant takes in sunlight to make glucose

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Whigh part of an atom is responsible<br>for the flow of electricity? *​
Gre4nikov [31]

Answer:

Atoms are composed of particles called protons, electrons and neutrons. Protons carry a positive electrical charge, electrons carry a negative electrical charge and neutrons carry no electrical charge at all.

Explanation:

5 0
3 years ago
Which of the above molecules would be least soluble in water?<br><br>(See attached image)​
weqwewe [10]

C

Explanation:

Molecule C would be least soluble in water because it is not a polar compound/molecule. It also lacks any unit that can combine with water to form a good hydrogen bond.

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learn more:

Hydrogen bonding brainly.com/question/10602513

#learnwithbrainly

5 0
3 years ago
A book review would be considered
masha68 [24]
It is definitely not a primary source: this would be a book itself.

Now, is it a tertiary source? I don't think so: the author of the review should have read the book and should only be referring to this book in the review.

I think it's a secondary source.
8 0
3 years ago
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