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Feliz [49]
3 years ago
5

A previously used form of the insecticide ddt (dichlorodiphenyltrichloroethane) caused birth defects in future conceptions of ex

posed women, such as misplacement of limbs and eyes on the body. describe what was affected by these stimuli
Biology
2 answers:
Rus_ich [418]3 years ago
8 0

Answer:

Insecticide DDT(dichlorodiphenyltrichloroethane) have a very harmful effect on the stimuli because it can not be broken down by decomposers such as bacteria and fungi and remain on the surface for a long period of time.

Explanation:

This insecticide is used for controlling pest population in the field but now it is banned around the world due to its harmful effects on humans and other living organisms. This chemical is non biodegradable i. e. cannot be decompose into simpler substances by the action of bacteria and fungi and causes chronic diseases in humans.

pishuonlain [190]3 years ago
4 0

Answer:Insecticide DDT(dichlorodiphenyltrichloroethane) have a harmful effect on the stimuli because it can not be broken down by decomposers such e.g bacteria and fungi. Therefore, remaining on the surface for a long period of time (i.e it's non biodegradable).

Explanation:

DDT was an organochlorine insecticide used mainly to control mosquito-borne malaria, but has been banned in US and other countries due to its harmful effects on humans. It's not biodegradable, like I said earlier, it's not capable of being decomposed by biological activity, especially by microorganisms.The chemical breaks down of DDT is very slow and accumulates in the fatty tissues of animals (including people).

DDT is an endocrine disruptor, meaning it acts like a hormone or affects how other hormones act in the body. This endocrine disruptors throw off the body’s hormonal balance by blocking or mimicking hormones, such as estrogen in the woman body. Studies have shown that DDT is linked to birth defects.

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Upon examining samples of water and mud from a nearby river, you come across an unidentified organism. The organism is unicellul
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Answer:

unidentified organism: Algae

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Explanation:

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A farmer sprayed his orange trees with a pesticide to eliminate the insects damaging the trees. Some of the insects survived and
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5 0
3 years ago
¿Cuántos gramos de dióxido de carbono (CO2) se producen si se quema 40 gramos del hidrocarburo ( C3H8 )?
Valentin [98]

Answer:

120 gramos de CO₂

Explanation:

La ecuación química balanceada para la reacción de combustión del hidrocarburo C₃H₈ (propano) es la siguiente:

C₃H₈ + 5O₂ → 3CO₂ + 4H₂O

Por lo tanto, 1 mol de C₃H₈ produce 3 moles de CO₂. Ahora debemos convertir las moles a gramos utilizando el peso molecular (PM) de cada compuesto:

PM(C₃H₈)= (3 x 12 g/mol) + (8 x 1 g/mol) = 44 g/mol

1 mol C₃H₈ = 1 mol x 44 g/mol = 44 g

PM(CO₂) = 12 g/mol + (16 g/mol x 2) = 44 g/mol

3 mol CO₂ = 3 mol x 44 g/mol = 132 g

Por lo tanto, se producen 132 gramos de CO₂ a partir de 44 gramos de C₃H₈ y la relación estequiométrica es:

3 mol CO₂/1 mol C₃H₈ = 132 g CO₂/44 g C₃H₈

Finalmente, para calcular cuántos gramos de CO₂ se producen al quemar 40 g de C₃H₈, multiplicamos la relación estequiométrica por la masa a quemar:

masa CO₂ producida = 40 g C₃H₈ x 132 g CO₂/44 g C₃H₈= 120 g

3 0
3 years ago
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