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aleksandr82 [10.1K]
3 years ago
15

Why are children in the United States still vaccinated for polio?

Biology
2 answers:
Blizzard [7]3 years ago
6 0

C.because there are polio outbreaks overseas

mylen [45]3 years ago
3 0

C. Because there are polio outbreaks overseas

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The Yellowstone area contains organisms representing all trophic levels, including plants, algae,
valentinak56 [21]

Answer:

c. Algae to fish to grizzly bear to fungi

Explanation:

Algae are the producers in Yellowstone trophic levels which can be eaten by fish which is a primary consumer. The grizzly bear which is a secondary consumer or carnivores feed on these fish and when the grizzly bear die, fungi which is a decomposer feeds on the grizzly bear and release nitrogenous substances which can be used by the algae for its growth and development. Only 10% of energy is transferred from on trophic level to another whereas the remaining 90% are released in the form of heat energy.

7 0
3 years ago
By which mechanism of heat transfer does heat travel in a straight line at the speed of light, allowing heat to travel through v
Sladkaya [172]

Radiation is the  mechanism of heat transfer by which heat travel in a straight line at the speed of light, allowing heat to travel through vacuums and air spaces.

Radiation in physics is the emission or transmission of energy in the form of waves or particles through space or matter medium. This includes:

  • Electromagnetic radiation such as radio waves, microwaves, infrared rays, visible light, ultraviolet rays, X-rays, and gamma rays (γ)
  • Particle radiation beams such as alpha rays (α), beta rays (β), proton rays, and neutron rays (with static energy non-zero particles)
  • Acoustic Radiation such as ultrasound, sound waves, seismic waves (due to physical transmission media)
  • Gravitational radiation in the form of gravitational waves, or waves of curvature of space-time

Radiation is often classified as either ionizing or non-ionizing, depending on the energy of the particles it hits.

Learn more about Radiation here : brainly.com/question/893656

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3 0
1 year ago
How does dew form on grass?
svetlana [45]

Answer:

Dewy Grass. Dew is a natural form of water, formed as water vapor condenses. ... This forces water vapor in the air around cooling objects to condense. When condensation happens, small water droplets form—dew.

so it's C

Explanation:

8 0
3 years ago
Choose all the right answers.
jeka57 [31]
A plant begin to produce its own food in the following cases:
-when the first leaves are formed
-as soon as photosynthesis starts

Even the little new seeds grown-up from the food reserves, but start making their owm food as they see sunlight
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3 years ago
Which term names an underground area that collects and holds a large amount of water?
yanalaym [24]
Hello!

A aquifer<span> names an underground area that collects and holds a large amount of water.

I know this because an aquifer collects water.

~ Hope I helped! ~
</span>
3 0
3 years ago
Read 2 more answers
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