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pashok25 [27]
3 years ago
10

What substance is needed to effectively treat 50% of an infected test population.

Biology
2 answers:
mel-nik [20]3 years ago
7 0

Answer:

Explanation:

population is critical to designing and implementing effective substance abuse treatment ... heterosexual transmission and 33 percent were infected through injection drug use. ... By some counts, the number of national and ethnic groups is nearly 50, ...

guajiro [1.7K]3 years ago
6 0

ከመጨነ ጰነከመ ነጰኸነ ነኸየጨጰነጰነ ጰነከነ ነከጰመ ነኸየ ሐጰጰሐ መከመ መጨጰመ መ

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Which pairings match protozoa with the structures they use to move? amoeba: flagellum; euglena: cilia; paramecium: pseudopod amo
lara [203]

Answer:

The correct answer is -  amoeba: pseudopod; euglena: flagellum; paramecium: cilia

Explanation:

Protists use different type of structures for their movement known as pseudopods, flagella, and cillia.

Pseudopods are the structures found in amoeba in which flowing of protoplasm moves the amoeba forward.

A euglena moves by strikes or whip its flagellum, that is a long appendages, like propeller of a helicopter.

Cilia are thin, very small tail-like structure that stretched outward from the of body of paramecium.

Thus, the correct answer is -  amoeba: pseudopod; euglena: flagellum; paramecium: cilia

6 0
3 years ago
Phenomenon: Miss Westbrook visited family in Aspen last spring. Aspen is in Colorado and has an elevation of 8,000-9,000 feet. T
Ivanshal [37]

This happened due to the low air pressure in the highest areas of Colorado, which made hard the intake of air.

Air pressure is fewer as the elevation in an area increases. In other words, the air over us is less, so the pressure that it makes is lower.

Miss Westbrook's heart rate and breathing sped up due to the low air pressure that she experimented with when ascending or when skiing in Aspen, which is very elevated. As the pressure is lower, not much air can enter the lungs, so her brain increases the breath rate to obtain the same amount of oxygen that her body had when breathing normally on the Bay. As there is not enough oxygen in her body, the brain also increases the heart rate to match the rhythm of the breath and deliver the scarce oxygen to the different parts of the body.

In conclusion, the increase in the heart and breath rate happens due to the low air pressure in elevated areas that makes our body find ways to compensate for the decrease in the amount of oxygen that our body can take.

Learn more at:

brainly.com/question/2739238

8 0
2 years ago
Which of the following would be considered a quantitative observation? A)the height f the radish seedlings is measured. B)the od
sergij07 [2.7K]

Answer:

A

Explanation:

Quantitative refers to numbers and measurements, so height would be a quantitative observation.

Hope this helps! :)

6 0
3 years ago
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describe carbon cycle and explain how the burning of fossil fuels leands on an increase in ocean temperature
zysi [14]

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When fossil fuels are burned, they release carbon dioxide and other greenhouse gases, which in turn trap heat in our atmosphere, making them the primary contributors to global warming and climate change.

Explanation:

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3 years ago
Observations have led to all of the following except ___.
marysya [2.9K]

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Observations lead to form hypothesis and then deduction which are proved statistically by experiments

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