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Mumz [18]
3 years ago
6

Groundwater contaminants choose one:

Biology
1 answer:
sp2606 [1]3 years ago
6 0
Ground water contaminants, like methane, arsenic, and salt may occur naturally in ground water. Ground water accounts for 95% of the liquid freshwater on Earth, but having enough accessible ground water can be a problem. Ground water typically moves slowly within the ground through porous rock layers like the sandstone.
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True or false? investigators trying to track the early spread of hiv found hiv-infected blood samples from as early as 1956, in
Anastasy [175]
False  
The diseases, announced by Dr. Stig Froland, Dr. Paul Jenum and associates, shows that AIDS happened in disengaged occasions far and wide some time before general wellbeing authorities saw it years back.   
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4 years ago
In peas, the allele for yellow seeds (Y) is dominant to the allele for green seeds (y). What would be the genotype and phenotype
grin007 [14]
<h2>The correct answer is explained below:</h2>

Explanation:

  • The allele for yellow seeds is Y.
  • The allele for green seeds is y.
  • The yellow colour phenotype is dominant over the green color phenotype.
  • The genotype of the parent who is heterozygous is : Yy.
  • The gametes produced by the parent who is heterozygous are: Y and y.
  • The genotype of the parent who is homozygous recessive is: yy.
  • The gamete produced by the parent who is homozygous recessive is: y.
  • Crossing the above parents we get the following offspring,

                                           Y                    y

                               y         Yy                  yy

               Phenotype      Yellow          Green

  • The genotype and the phenotype of the possible offspring is represent in the Punnett square above.
  • The ratio of the genotype is Yy : yy = 1 : 1.
  • The ratio of the phenotype is Yellow : Green = 1 : 1.
4 0
3 years ago
NEED HELP ASAP !!!!!!!!!!!!!!!!!!
shusha [124]

A chemical property that is present in substances that react slowly to oxygen have;

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4 years ago
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What are the steps of passive transport
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The molecules doesn't need energy to cross through.
The diffusion doesn't need protien, the molecules pass between phospholipids by passes protien. It moves smaller molecules. Facilitated need protien also hormone, and larger molecules.
I wish it makes sense.

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Sand and clay are usually deposited together true or false
mrs_skeptik [129]
This answer is true
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