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Alborosie
3 years ago
6

Who first proposed the principle of the heliocentric theory?

Biology
2 answers:
vredina [299]3 years ago
8 0
Hello Mlevintova, <span>Who first proposed the principle of the heliocentric theory, </span>Aristarchus of Samos was an ancient Greek astronomer and mathematician who presented the first known model that placed the Sun at the center of the known universe with the Earth revolving around it.

Nadya [2.5K]3 years ago
7 0

The answer would be Nicolaus Copernicus.

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Which antibiotic was not effective against E. coli? neomycin, penicillin, erythromycin, ampicillin
qaws [65]

The antibiotic called ampicillin was not effective against E.coli.

Answer: D

Explanation:

E.coli is normal microbial flora which is present in the gut of the mammals.

It is gram negative bacteria and very few strains of this bacteria causes harm.

Antibiotics are the chemical drugs which are used to treat the microbial infection either by killing the causative organism or by its growth inhibition.

Antibiotics such as neomycin, penicillin and erythromycin are usually used to treat E.coli infection.

Antibiotic such as Ampicillin is not used as the bacterium E.coli is highly resistant to it.  

6 0
3 years ago
What organ stores bile and releases it in response to cholecystokinin?
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3 years ago
Enumerate the cell structures involved, raw materials, end product and energy requirement in photosynthesis and cellular respira
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Answer: hope this was hopeful

Explanation:

Title: Photosynthesis VS Respiration.Objective: Differentiate photosynthesis and respiration in terms of cell structures involved, rawmaterials, end product and energy

3 0
2 years ago
. The negative charges of one water molecule is attracted to the positive in another, causing them to flock together. This prope
lutik1710 [3]

Answer:

Cohesion

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The negative and positive sides of water molecules are attracted to each other and cause water to be attracted together and stick together.

This is called cohesion, when molecules of the same type stick together.

3 0
3 years ago
Compare a lion and a deer. Which biotic and abiotic factors that each of these animals needs to live are the same?
r-ruslan [8.4K]

Answer:

Abiotic: environment, water, temperature, space, wind (sniffing food),

Biotic: living food (plants, animals)

Explanation:

Abiotic is non living factors that happen on their own in the animals environment. Biotic factors are things that are living in the environment.

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