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olganol [36]
2 years ago
10

View Available Hint(s) Which statement regarding normal microbiota of the human respiratory system is FALSE? The upper respirato

ry tract is mostly sterile. The ciliary escalator in the bronchial tubes keeps the lower respiratory tract nearly sterile. Potentially pathogenic microorganisms are present in nonsterile portions of the respiratory tract but usually do not cause disease. The trachea normally may contain a few bacteria. Provide Feedback
Biology
1 answer:
RoseWind [281]2 years ago
5 0

Answer:

the second one

Explanation:

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Which level of biological classification do Mammalia and Hominidae represent, respectively?
cupoosta [38]
The answer is class and family.

<span>Taxonomic groups are used for biological classification. There are eight main taxonomic groups: domain, kingdom, phylum, class, order, family, genus and species, with the domain as the most inclusive and species as the least inclusive. If we take a look on Mammalia and Hominidae classification, we can assume that Mammalia represents class, and Hominidae represents family:</span>

<span>1. Domain: Eukarya</span>

<span>2. Kingdom: Animalia</span>

<span>3. Phylum: Chordata</span>

<span><u>4. Class: Mammalia</u></span>

<span>5. Order: Primates</span>

<span><u>6. Family: Hominidae</u></span>

<span>7. Genus: Homo</span>

<span>8. Species: Homo sapiens</span>

3 0
3 years ago
Help me please!
Alchen [17]

Answer:

C. Removing this step decreases the amount of carbon in the air: This is correct, removing factories would decrease the emission of greenhouse gases, thus decreasing CO2 in the atmosphere.

Explanation:

When we look at the picture we can see that the line that goes from G to C, goes from a factory to the atmosphere. As we know factories release a great number of elements into the atmosphere being one of them, carbon dioxide. Therefore taking into consideration we can proceed to analyze the following statements.

A. Removing this step prevents photosynthesis in the next step: This is not true industry increases carbon dioxide in the atmosphere, even if they don't exist there is enough CO2 for plants to perform photosynthesis.

B.Removing this step increases the amount of carbon in the soil: This is not true as factories release carbon dioxide to the atmosphere, not the soil.

C. Removing this step decreases the amount of carbon in the air: This is correct, removing factories would decrease the emission of greenhouse gases, thus decreasing CO2 in the atmosphere.

D. Removing this step increases carbon storage in plants: This is incorrect the carbon storage in plants is cording to their necessities independently of the abundance in CO2, in the atmosphere.

8 0
2 years ago
Which of the following statement are true? Select all the apply. A compass needle is affected by Earth's magnetic field. A magne
beks73 [17]

Answer:

A compass needle is affected by Earth's magnetic field.

A magnetic field is strongest at the poles.

Explanation:

3 0
3 years ago
Am I correct??
zavuch27 [327]
<span>a.) oyster   

hope it helped

</span>
7 0
3 years ago
Read 2 more answers
What skills and education do careers in agronomy require?
Lynna [10]
To be an agronomist, you should have an interest in science and a bachelor's degree. In college take agriculture, biology, chemistry, mathematics, physics, and statistics courses, as well as broad based general education courses, including English and speech. Hope this helps your question.
8 0
2 years ago
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