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lina2011 [118]
1 year ago
5

Rachel carson’s warning in silent spring was focused on _______. a. overgrazing by livestock b. global warming c. the misuse of

pesticides d. fish stock declines please select the best answer from the choices provided a b c d
Biology
2 answers:
Zina [86]1 year ago
6 0

Answer: Edge 2022, C. Global Warming.

Sergeeva-Olga [200]1 year ago
3 0

Correct option is C. Rachel carson’s warning in silent spring was focused on the misuse of pesticides.

Rachel was concerned because pesticide misuse can cause significant and serious harm to humans, animals, and crops in general.

<h3>What can misuse of pesticide lead to?</h3>
  • Pesticide poisoning can result from pesticide misuse, with symptoms ranging from mild skin irritation to seizures and death. Poisoning has a wide range of effects depending on the dosage and level of exposure.
  • Secondary pest outbreaks occur when the use of a pesticide to reduce densities of an unwanted target pest species triggers subsequent outbreaks of other pest species, potentially fueling the dramatic increase in insecticide resistance.

To learn more about misuse of chemicals from the given link

brainly.com/question/869508

#SPJ4

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In addition to natural factors, human activity can also alter ecosystems. Conduct research on a human activity that currently af
Katen [24]

Answer:

<h2><em><u>In addition to natural factors, human activity can also alter ecosystems. Conduct research on a human activity that currently affects or can theoretically affect your chosen ecosystem. Use your food web model to explain how this change can affect the competition for food resources.</u></em></h2>

Explanation:

  • <em><u>ok</u></em>
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3 years ago
I need help please !!!
PtichkaEL [24]

Answer:

i cant see

Explanation:

3 0
3 years ago
The clear, transparent layer of cells that covers the front part of the eye is called
larisa [96]

Answer:

4 Cornea

Explanation:

The cornea is the white cell covered your eyes

3 0
3 years ago
In beans the pod texture and growth form genes are located on different chromosomes. There are two varieties of beans in a farme
irina1246 [14]

Answer:

a. Genotype in F1 - TtBb

   Phenotype in F1 - tough pods, bush-type growth

b. Proportion of F2 that are heterozygous for bush-type growth form = 5/8

c. Proportion of the F2 with tender pods =  1/4

d. Proportion of F2 that are heterozygous for growth form and have tender     pods = 1/8

Explanation:

Since the two traits are located on different chromosomes, they will independently assort during gametes formation. T is dominant over t and B is dominant over b.

Two true-breeding varieties were crossed at the beginning of the program:

TTBB   x   ttbb

All F1 plants will have the genotype TtBb with tough pods and bush-type growth form.

Advancing the cross to F2:

TtBb   x   TtBb

Progeny

1 TTBB   -   tough pods, bush-type

2 TTBb     -  tough pods, bush-type

2 TtBB    -   tough pods, bush-type

4 TtBb     -   tough pods, bush-type

1 TTbb     -    tough pods, climbing-type

2 Ttbb     -    tough pods, climbing-type

1 ttBB       -    tender pods, bush-type

2 ttBb     -      tender pods, bush-type

1 ttbb      -      tender pods, climbing-type

<em>Proportion of F2 that are heterozygous for bush-type growth form = 10/16 = 5/8</em>

<em>Proportion of the F2 with tender pods = 4/16 = 1/4</em>

<em>Proportion of F2 that are heterozygous for growth form and have tender pods = 2/16 = 1/8</em>

7 0
3 years ago
Gerard lives in a tropical region where the average annual temperature is 77°F and the average annual rainfall is more than 100
weqwewe [10]

Answer:

insulated gloves

Explanation:

Answer options:

  • umbrellas
  • insulated gloves
  • raincoats
  • rubber boots

Explanation:

  • The temperature of the region is 77°F which is equal to 25°C.
  • 25°C is not harmful temperature for human skin.
  • The rainfall in the area is enough for the record of data of raincoats, umbrella and rubber boots.
  • So, insulated gloves is the answer.
8 0
3 years ago
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