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ivann1987 [24]
3 years ago
5

How will you eliminate the effect of extranous variable?

Biology
1 answer:
zheka24 [161]3 years ago
3 0

Answer:

An extraneous variable is eliminated, for example, if background noise that might reduce the audibility of speech is removed as Unknown extraneous variables can be controlled by randomization.

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The dense fluid in chloroplasts where carbon dioxide is converted to sugar is called the _______.. a. thylakoid. b. stroma. c. g
vivado [14]
The answer to the question above is letter "B. stroma". In the stroma are grana, stacks of thylakoid, others. Stroma contains important molecules which are useful for the photosynthesis and other metabolic functions of the cells. It may also contain enzymes and ions. 
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3 years ago
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In humans, the trait for tongue rolling is dominant over the trait for the inability of a human to roll his/her tongue. If a het
MrMuchimi

50 percent of the offspring would be expected to have the ability to roll their tongues If a heterozygous male is crossed with a homozygous recessive female.

Explanation:

Information given:

the ability to roll tongue is dominant, the genotype would be RR, Rr

the inability to roll tongue is recessive trait the genotype = rr

Given that heterozygous male is crossed with homozygous recessive female, the genotype is

Rr X rr

Punnet square shows that:

    R    r

r   Rr  rr

r  Rr  rr    The genotype ratio is 1:1

                 phenotype ratio is 1:1

There are chances of 50 % offspring having the ability to roll their tongues as they are heterozygous and have the dominant allele for rolling of tongues.

8 0
3 years ago
For class 5 f. Why are green plants called producers?​
kifflom [539]

Answer:

Green plants are called producers because they manufacture their own food with the aid of photosynthesis.

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Calculate the work done if a 5 N force applied to the right moves an object 3 meters to the right.
Vadim26 [7]

the only reason i am wasting one of the two answers your post is allowed to get is because its been 3 hours and no one has answered yet.

Where do you go to school? I think it is very coincidental that you have the exact same question i do, and you had the question exactly when I got the question...about 3 hours ago. Now it IS a curriculum so its not that weird, but by any chance are you in K12? 8th grade?

8 0
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Which type of glacier can cover a large island?
vekshin1

Answer: continental glacier

Explanation:

These glaciers are very big and they can cover large amounts of land. These can also cover very large islands. Continental glaciers are the answer.

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3 years ago
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