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blsea [12.9K]
3 years ago
14

Which of the following microorganisms cannot multiply on their own? 1. Bacteria and protozoa 2. Algae and fungi 3. Fungi and vir

us 4. Viruses
Biology
1 answer:
Bogdan [553]3 years ago
4 0

Answer:

Algae and fungi

Explanation:

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The green "s c u m" you see in an aquarium is called _____.
Setler [38]

Answer:

b. cladophora

Explanation:

The cladophora algae is a type of green algae that grows attached to rocks or wood that are underwater. It forms short, rigid green filaments that branch, it's smell is similar to mushrooms. The cladophora is introduced in aquariums via contaminated plants or equipment, therefore to prevent it's formation it is necessary to clean everything before intoruducing it to the aquearium. This algae is so resistant once installed that usually the tank has to be re-started.  

8 0
3 years ago
A wave has a frequency of 50 Hz and a wavelength of 10 m. What is the speed of the wave?
Bond [772]

Answer:

500 m/s

Explanation:

Velocity (v) = wavelength (λ) x frequency (f)

V = 10 x 50

V = 500 m/s

7 0
3 years ago
What factor made evolution more very slowly for the first two billion years of life on earth?
marusya05 [52]
It was an asteroid that came to earth two billions years ago and scientists says that there might be another one coming.so we might live in space for a couple of months or years. so that why the dinosaur die.
8 0
3 years ago
Navah writes out the chemical equation for photosynthesis. She includes two reacting molecules to the left of the arrow and two
Nadya [2.5K]
A. light energy, above the arrow

<span>Photosynthesis is a process wherein light energy is converted into chemical energy. </span>
Components of photosynthesis:
Water
Carbon Dioxide
Light energy, mostly from sunlight, is the main requirement for photosynthesis to occur. 


6 0
3 years ago
That some newly hatched turtles can swim faster than others of the same species is evidence of
Katena32 [7]
They cant be faster because they have smaller fins but thats just my logic hope i helped 
4 0
3 years ago
Read 2 more answers
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