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True [87]
3 years ago
6

How does Surface Runoff affect Nutrients in the Soil?

Biology
1 answer:
poizon [28]3 years ago
7 0
Surface runoff is a term used to describe when soil is infiltrated to full capacity and excess water, from rain, snowmelt, or other sources flow over the land. This is a major component of the water cycle or the hydrological cycle.
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DedPeter [7]

Answer:

D. They form an ionic compound.

Explanation:

The bonds which are produced between a metal ion and a non-metal ion are termed as ionic bonds.

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All the goldfish in an aquarium would represent what ecological level? a:biosphere b: community c: ecosystem d:population. ​
BigorU [14]

ecosystem..........

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3 years ago
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In pea plants, purple flowers are dominant to white flowers, and the purple and white alleles are represented with P and p, resp
amm1812

Answer: 75% of the plants are purple and 25% are white. The phenotypic ratio can be expressed as 3:1.

Explanation:

Heterozygous means that its genotype has two distinct alleles, i.e. a dominant and a recessive one. So the genotype of the plants is Pp, and each plant has two alleles since<u> they are diploid organisms, which have two copies of each gene. </u>

<u>Each plant produces gametes, which are haploids cells. That is, they only have one copy of each gene (one allele)</u>. So, the gametes produced by Pp have a P or p genotype.  During fertilization, the maternal and paternal gamete are fused to form a diploid zygote where their genotype will have one allele from the father and one from the mother.

By making this monohybrid cross, we cross the gametes of each parent in the punnett square (see picture)

In the offspring, we see one PP genotype (homozygous dominant), two Pp genotypes (heterozygous) and one pp genotype (homozygous recessive). <u>Since we know the P allele is dominant and it codes for purple color, a genotype only needs one P allele to express that phenotype</u>. So Pp and PP organisms are purple, and only pp is white. That means 75% of the plants are purple and 25% are white. The phenotypic ratio can be expressed as 3:1.

4 0
3 years ago
I have to write an essay for science and I don't understand what I am supposed to do someone please explain.
Whitepunk [10]
Hope it helps
Basically write about the production of proteins molecules through transcription and translation and talk about the words listed, what them mean, and how they contribute. 
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What is the name of the oxidized form doesn't have h attached of the electron carrier in photosynthesis?
KiRa [710]
In photosynthesis, an electron carrier of the light cycles is the nicotinamide adenine dinucleotide phosphate or NADP. This is the oxidized form, because the reduced form of this carrier has the extra H (NADPH). This is somehow related to the electron carrier called nicotinamide adenine dinucleotide or NAD (minus the phosphate). 
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3 years ago
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