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swat32
3 years ago
12

Why does Carson think that living things cannot adapt to overcome the new chemicals that human beings introduce to the natural w

orld?
Biology
2 answers:
astraxan [27]3 years ago
8 0

Answer:

A

Explanation:

olganol [36]3 years ago
4 0

Answer:new. chemicals are produced so quickly that living that's do not have time to adapt

Explanation:

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Please answer the following question with at least 5-6 sentences.
Dafna1 [17]

Answer:

The battle against sexually transmitted illnesses, except for the relatively recent HIV/AIDS, has been one that has been present in humanity almost from its beginning. Infections caused by syphilis, ghonorrea, clamydia, among others, have been a part of humans since sexual activity has been around us. However, since the appearance of antibiotics, and other chemical agents to combat them, the scenario changes for mankind, as now, a diagnosis of such diseases was not basically a death sentence, or, a reason to be socially isolated. Another thing that changed, was the pattern and incidence of transmission, as now, with treatment, the pathogens could be stopped.

However, during the 19th century, with the appearance of medically more advanced technologies, better antibiotic treatments, and other public health measures, many of these STI´s, especially those that were most frequent, like syphilis, were no longer taken as certain death. However, it also became a reason for people to act more rashly and not think about transmission.

But in the 20th century, and especially since the appearance of the most deadly HIV virus, particularly in homosexual populations, things began to look bad for humans again. People died, and the only measure that could be taken as science learned about the pathogen, was isolation of those infected. Just as in the middle ages those infected with plague, were left aside, HIV-infected people became isolated. But during the 20th century, virology, the science that studies viruses and the possible treatments to it, and the adventure of DNA discoveries, led to a huge change. It was seen that there were a series of chemical components, that were able to completely detain, and in some cases eliminate, those viruses and bacteria that caused deadly STIs. But probably one of the biggest advances in the 20th century was the realization of the importance of education of people, campaigns to educate the people about contagion, ways of prevention and possible treatments.

5 0
3 years ago
Why are the seasons opposite in the northern and Southern Hemispheres
alex41 [277]

Answer:

throughout the year, the earth tilts. This causes the north pole to be the closest to the sun half the year and the south pole to be the closest to the sun the other half.

Explanation:

3 0
3 years ago
Read 2 more answers
The cytoplasmic extensions that, together with the cell body, provide the main receptive surfaces for neurons are the:
BartSMP [9]
I’m pretty sure it’s dendrites
:)
4 0
3 years ago
PLZ HELP I AM TAKING A QUIZ!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Taya2010 [7]

Answer:

QUESTION:

Are involuntary muscles

A) cardiac

B) smooth

C) skeletal

ANSWER:

muscle governing reflex functions and not under direct voluntary control especially: smooth muscle.

Explanation:

Hope that this helps you out! :)        

If you have any questions please put them in the comment section below this answer.        

Have a great rest of your day/night!        

Please thank me on my profile if this answer has helped you.

3 0
2 years ago
Some bacterial cells are resistant to a variety of antimicrobials because they actively pump the drugs out of the cell.
ad-work [718]

True. Some bacterial cells are resistant to a variety of antimicrobials because they actively pump the drugs out of the cell.

A significant resistance mechanism in Gram-negative bacteria is drug efflux. It expel solutes from the cell. Antimicrobials and metabolites are just a few of the hazardous compounds that Efflux pumps help bacteria remove from their interior environments so they can regulate it.

The main efflux systems in Gram-negative bacteria are members of the RND superfamily and typically consist of an outer membrane protein channel, a periplasmic protein, and a cytoplasmic membrane pump. The most common example is  MFS (such as Bmr and Blt in Bacillus subtilis) and the ABC transporters.

Learn more about antimicrobials here:

brainly.com/question/13052094

#SPJ4

4 0
2 years ago
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