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Kryger [21]
4 years ago
15

An effective vaccine does not exist for the common cold, because

Biology
2 answers:
anzhelika [568]4 years ago
8 0
Because the disease is not serious enough
iVinArrow [24]4 years ago
6 0

Because the disease is not serious enough

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3 years ago
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Difference between hypha and mycelium.​
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Answer:

The hypha is the building block of a fungus. On the other hand, mycelium refers to the collection of hyphae in a fungus' body. 2. Hyphae are often described as strands, threads, or filaments because of their appearance.

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2 years ago
While distinctly Anthropoids, some Platyrrhines maintain a few of traits that are typically represented only in Prosimians. For
crimeas [40]

Convergent evolution is the concept of two or more species evolving similar traits despite being completely unrelated to one another, including the absence of a common ancestor.

The Platyrrhines, more commonly known as "New World Monkeys", share many characteristics with the Prosimians. Some of these include:

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The Platyrrhines and the Prosimians are both nocturnal animals. Despite all other members of their family being active during the day, the Playrrhines have evolved nocturnal habits similar to that of the Prosimians. Aside from that, they<u> feed on insects</u> more so than fruit, which is reflected by the layout of their teeth, and have eyesight well adapted to dark conditions. All of these are traits they share with the Prosimians.

Despite being in different ecosystems and regions, and sharing no recent common ancestors, both of these species <u>have evolved strikingly similar traits.</u> This can be used to corroborate the theory of convergent evolution, which explains how <u>two </u><u>species </u><u>can </u><u>evolve</u><u> very similar </u><u>traits </u><u>despite being unrelated.</u>

To learn more visit:

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3 years ago
Explain three advantages of using fossil fuels
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according to sciencethreads.com

it states the following pros and advantages of fossil fuels..

<em><u>1)Fossil fuels have a very high calorific value. </u></em>

<em><u>2)the energy produced by fossil fuels is greater than that produced by an equivalent amount of other energy resource.</u></em>

<em><u>3)Systems are set up to process and utilize oil and gas </u></em>

<em><u>4)Widely available around the globe </u></em>

<em><u>5)low cost per unit energy </u></em>

<em><u>6)Refineries, transportation, and plastics all rely heavily on oil and gas </u></em>

<em><u>7)High energy output </u></em>

<em><u>8)Employs millions of people globally </u></em>

<em><u>9)The primary source of all plastics</u></em>

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4 years ago
What is one way water can cycle though sheep in a pasture?
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