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maw [93]
3 years ago
8

100 points!!! please help

Biology
2 answers:
Ilya [14]3 years ago
5 0
What’s the index? If there’s also a ocean near by you could just collect algae from there
Ostrovityanka [42]3 years ago
4 0

Answer:

You can buy a nutrient solution over the counter, or take some water from a fish tank or pond to supply nutrients. Using water from a pond or fish tank could introduce other contaminants into the growth medium. You can also mix nutrient solutions. The Walne medium is a nutrient mixture that is suitable for most algae

Explanation:

does that hep

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A.

Explanation:

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Which of the following statements best explains why it is warmer at the equator than the North Pole?
sertanlavr [38]

Answer:

3. The equator receives more direct sunlight than the North Pole.

Explanation:

<h2>The equator is the longest latitude at 0°.</h2><h2>The equator isn't influenced any change when the earth revolves around the sun cause winter and summer. </h2><h2>That's why equator is warmer than north and south pole.</h2>

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djyliett [7]

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Explanation:

To fight against new invasion disease . Antigen play a big role

6 0
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lesya692 [45]

Answer:

All the statements are true and the correct option is;

D. All of these are true

Explanation:

Ecosystems change over time. ... Sudden disruptions such as volcanoes, floods, or fires can affect which species will thrive in an environment. Other disruptions are caused by human activities

An ecosystem ecosystem is an area where a community living (biotic) and non living (abiotic) things such as plants, animals, other organisms, landscape, natural sources and weather interact to create an apparently sustainable system

An ecosystem undergoes several changes over time due to environmental disturbance which results in the variation of the ecosystem's structure and change rate due to the natural disturbance and/or human activity

Therefore all the statements are true.

3 0
3 years ago
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