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zzz [600]
2 years ago
5

_____ algae are important in the formation of coral reefs. Brown Red Fire Golden-brown

Biology
2 answers:
Pepsi [2]2 years ago
3 0
Hello, NicopiahzDani.

Red or coralline algae are the algae that are responsible for building coral reefs.

Answer: Red

Hope this helps :)
Juli2301 [7.4K]2 years ago
3 0

Ans.

Coral reefs are underwater ecosystems, made from growth and deposition of living or dead corals. Red algae play an important role in formation of coral reefs. The thread-like structures of red algae trap the sand sediments and particles of sands and cements, which provide mechanical support to the colony of corals and help them to grow.

Thus, the correct answer is option). 'red.'

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3 years ago
World class speed skaters can skate a 3,000-m course in about 4 minutes. What is their average speed for this course.
Semenov [28]

A. 12.5 m/s.

The average speed is defined as the relationship between the displacement made by a body and the total time it took to perform it.

The formula that will allow you to calculate the average speed is:

v = d/t, where d is the traveled distance and t the time it took to travel the distance.

We hace to convert 4 minutes to second:

(60 s/1 min)*(4 min) = 240 s

So, the average speed is:

v = 3000 m/240 s

v = 12.5 m/s  

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I believe it is interphase
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Its B. Genes ... stay brainly :)

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