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Eva8 [605]
3 years ago
9

What is the environmental impart of coal? Please use 3+ sentences. Extra Points!

Biology
1 answer:
Reika [66]3 years ago
7 0
Coal can disrupt life and air. Coal is a non reusable resource and it can make life harder. Coal can heat homes and power trains. 
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A protein is a polypeptide of at least 50 amino acids that also has what characteristic?
Alisiya [41]
I think it is 60 i believe so
3 0
3 years ago
during replication, DNA _____. a. remains intact b. makes rna c. is copied d. directs protein synthesis
yanalaym [24]

You must just analyze the words. Replication is a synonym of copy, so the only possible answer is C.

Hope it helped,

Happy homework/ study/ exam!

6 0
3 years ago
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In the diagram below, Object A is moving with a speed of 10 m/s and Object B is moving with a speed of 5 m/s. Both objects have
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Define a branch point (also called a node) on a phylogenetic tree and describe what it represents.
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In a rooted phylogenetic tree, each node ... phylogenetic tree that explicitly represents evolutionary time through its branch spans. A spindle diagram (often called
4 0
3 years ago
In humans, a type of blindness is due to a dominant allele; normal vision is the result of a recessive allele. Migraine headache
yan [13]

Answer:

Yes.

Probability of such child = 1/2 or 50%

Explanation:

According to the question, below are the genotypes and phenotypes possibilities:

aa = normal vision & no headache

Aa = normal vision & no headache

AA = blindness & headache

                                                                      Male                       Female

                                                                        Aa                            aa

Possible genotypes of progeny:            Aa        Aa           aa         aa

So it is clear that out of the 4 probable children, 2 with 'genotype aa' will have normal vision & no headache.

Mathematical expression is as under:

2/4 = 1/2 that means 50% progeny.

5 0
3 years ago
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