Groundwater contaminants choose one:

1 answer:

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.
In the Norwegian case, a mariner conceived in 1946, was first observed by Dr. Froland in 1966. He experienced general swelling of the lymph organs, respiratory diseases and different other health issues. Both his wife and child has complications as well from the ailment and all members of the family passed on in 1976.

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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.

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3 years ago

NEED HELP ASAP !!!!!!!!!!!!!!!!!!

shusha [124]

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

C. The ability to rust

<u>It combines with oxygen to become a different substance called iron oxide. Iron is very hard and silver in color, whereas iron oxide is flakey and reddish brown. Beside the ability to rust, other chemical properties include reactivity and flammability.</u>

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Read 2 more answers

What are the steps of passive transport

svetoff [14.1K]

The molecules doesn't need energy to cross through.
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I wish it makes sense.

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3 years ago

Sand and clay are usually deposited together true or false

mrs_skeptik [129]

This answer is true

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4 years ago