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3 years ago

I need help due today please

Biology

2 answers:

SVEN [57.7K]3 years ago

7 0

Answer:

commercial fishing can cause drowning and cause chemical hazards

horrorfan [7]3 years ago

6 0

Answer:

fatality rate that is 23 times as high than for all regular workers

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Morning commuter traffic in cities contributes to ____ smog. In this type of air pollution, a mixing of ____ from certain plants

azamat

Answer:

photochemical

hydrocarbon

Explanation:

Morning commuter traffic in cities contributes to photochemical smog. In this type of air pollution, a mixing of hydrocarbons from certain plants, nitrogen oxides from cars, and UV radiation from the sun results in a variety of pollutants, such as ground-level ozone, which can cause coughing and breathing problems.

Photochemical smogs are caused by the photochemical reaction of hydrocarbon and nitrogen oxides in the lower atmosphere with sunlight playing a major role. The reaction of the hydrocarbon with the nitrogen oxide in the presence of light leads to the evolution of ozone gas while nitrogen oxide has the capacity to react with the sunlight on its own to produce nitrogen dioxide. This result in the formation of smog

4 0

3 years ago

Once cells have specialized and are performing a specific function they cannot.

deff fn [24]

Undergo differentiation
become stem cells
turn on all of the genes found in the nucleus

some cells can undergo cell division

7 0

3 years ago

Read 2 more answers

In man, assume that spotted skin (S) is dominant over non-spotted skin (s) and that wooly hair (W) is dominant over non-wooly ha

Brut [27]

Answer:

Total four genotypes and its frequency

SsWw – 4/16

ssWw- 4/16

Ssww - 4/16

ssww - 4/16

Phenotype –

SsWw – Heterozygous Spotted skin and heterozygous wooled hair

ssWw - Homozygous non-spotted skin and heterozygous wooled hair

Ssww - Heterozygous Spotted skin and Homozygous non -wooled hair

ssww - Homozygous non-spotted skin and Homozygous non -wooled hair

Explanation:

Given -

Allele for spotted skin is "S"

Allele for non-spotted skin is "s"

Allele for Wooly hair is "W"

Allele for non-wooly hair is "w"

Allele "S" is dominant over "s"

And Allele "W" is dominant over "w"

Cross is carried out between heterozygous spotted, non-wooly man and heterozygous wooly-haired, non-spotted woman

Genotype of heterozygous spotted, non-wooly man - Ssww

Genotype of heterozygous wooly-haired, non-spotted woman - ssWw

Ssww * ssWw

Sw Sw sw sw

sW SsWw SsWw ssWw ssWw

sw Ssww Ssww ssww ssww

sW SsWw SsWw ssWw ssWw

sw Ssww Ssww ssww ssww

Total four genotypes and its frequency

SsWw – 4/16

ssWw- 4/16

Ssww - 4/16

ssww - 4/16

Phenotype –

SsWw – Heterozygous Spotted skin and heterozygous wooled hair

ssWw - Homozygous non-spotted skin and heterozygous wooled hair

Ssww - Heterozygous Spotted skin and Homozygous non -wooled hair

ssww - Homozygous non-spotted skin and Homozygous non -wooled hair

8 0

4 years ago

What could be done to reduce our impacts on these biomes?

Veronika [31]

1. Reduced production of waste materials

2. Increased reuse of older materials

3. Use more renewable sources of energy

4. Decrease the rate of fires through alternate means of warmth

5. Burn down less forests and find better means of farming

8 0

3 years ago

What is the molecular formula of water

torisob [31]

Answer:

H20

Explanation:

4 0

3 years ago

Read 2 more answers

I need help due today please​

I need help due today please