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Ksivusya [100]
3 years ago
9

After you set up a fish tank, you are sure to see algae growing in it. There is plenty of light, fertilizer in the form of fish

droppings, and plants or glass for algae to cling to. You may see green strings of algae in the water or green spots growing on the glass. Your whole aquarium can turn green if you don’t stop the algae. To prevent the problem, you can add algae-eating fish or microorganisms to the water. Covering the aquarium for a few days will also kill algae, which need photosynthesis to survive.
Multi-celled algae grow into larger organisms through cell division. For one-celled algae, the purpose of cell division is
Biology
1 answer:
Ede4ka [16]3 years ago
4 0

Answer:

Reproduction

Explanation:

i just did the question

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Answer:

Jupiter

Explanation:

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hope this helps :)

6 0
3 years ago
Read 2 more answers
Does the size of the particles change as a substance changes state
Kazeer [188]
Ok, particle is not a very nice word, no real sense of size associated with it
it can be a group of molecules like a speck of sand
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now in terms of phase change,
if we consider a speck- a group of molecules- then solids will expand when heated, however this definition falls flat in terms of phase change

ok, how about molecules, as molecules undergo phase change, the molecules in relation to each other will move apart from one another. Solid- molecules are bonded, Liquids- molecules are close and flow around each other, Gas- molecules are a significant distance from one another. But the increase in size when you heat up a molecule, i would have to say yes. adding heat increases energy which increases molecular vibration which would probably  increase the overall average size to some unnoticeable degree.

now standalone atoms are just atoms, if you want to consider the electron cloud as size, then heating it up would negligibly cause the outer move outward. but it really depends on the scale of the question
7 0
3 years ago
Witch statment best compares and contrast two physical properties of matter
marta [7]
What are the statement choices?
4 0
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6 Several goldfish were kept in a small aquarium forseveral years. The fish grew to be approximately6 centimeters long in the fi
Firdavs [7]

The statement that provides the best explanation for the increased growth of the in the pond is ‘The fish grew to be approximately 6 centimeters long in the first year, and after that, growth in length stopped.’

7 0
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Which segment(s) correspond(s) to the boiling point of the substance?<br> A<br> B<br> C<br> D<br> E
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Answer:

it is the E because the boiling point of water is 100 degrees

8 0
3 years ago
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