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Hitman42 [59]
3 years ago
9

A popular pesticide used in both world wars was what

Biology
1 answer:
marin [14]3 years ago
3 0
DDT, or dichlorodiphenyltrichloroethane
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One of the foremen at a pig farm notices purple sores on one of his workers. The worker has not been feeling well for the past t
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Erysipelothrix rhusiopathiae

Explanation:

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Identify three human three humen solution for limitting global warming
antoniya [11.8K]
Reduce carbon dioxide emissions, pollution, and deforestation
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4 0
4 years ago
Is the sugar maple tree a monocot or dicot?
zhuklara [117]

Answer:

Its a dicot.  

Explanation:

You know because when a seed sprouts it has two cotyledons.  

The branching leaf veins and flower structure also tell you this.

6 0
3 years ago
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Please answer the following questions:
seropon [69]

Answer:

1)The criteria pollutants are carbon monoxide, lead, nitrogen dioxide, ozone, particulate matter, and sulfur dioxide. Criteria pollutants are the only air pollutants with national air quality standards that define allowable concentrations of these substances in ambient air.

2)Examples of a secondary pollutant include ozone, which is formed when hydrocarbons (HC) and nitrogen oxides (NOx) combine in the presence of sunlight; NO2, which is formed as NO combines with oxygen in the air; and acid rain, which is formed when sulfur dioxide or nitrogen oxides react with water.

3)By bringing national attention to water pollution issues, the Cuyahoga River fire was one of the events that led to the creation of the federal Environmental Protection Agency and the Ohio Environmental Protection Agency.

4)sry idk this one ☝️

5)On Days when High Particle Levels are Expected, Take these Extra Steps to Reduce Pollution:

Reduce the number of trips you take in your car.

Reduce or eliminate fireplace and wood stove use.

Avoid burning leaves, trash, and other materials.

Avoid using gas-powered lawn and garden equipment.

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3 years ago
Explain a scenario in which secondary succession would occur.
andrey2020 [161]

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In secondary succession, a previously occupied area is re-colonized following a disturbance that kills much or all of its community. A classic example of secondary succession occurs in oak and hickory forests cleared by wildfire. Wildfires will burn most vegetation and kill animals unable to flee the area.

4 0
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