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user100 [1]
3 years ago
5

How did Alexander Fleming's research solve a societal problem?

Biology
1 answer:
topjm [15]3 years ago
7 0

He discovered a new type of medicine that could treat infections.

He discovered the 1st antibiotic (penicillin).

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3/10
tresset_1 [31]

Answer: It's known as the continental drift :)

Explanation: "Pangea's existence was first proposed in 1912 by German meteorologist Alfred Wegener as a part of his theory of continental drift. Its name is derived from the Greek pangaia, meaning “all the Earth.”" (copied from google)

3 0
4 years ago
5. What is harmful at ground level but absorbs ultraviolet radiation from the sun in its natural
Morgarella [4.7K]

Answer:

<u><em>Ozone.</em></u>

Ozone occurs both in the Earth's upper atmosphere and at ground level. Ozone can be good or bad, depending on where it is found. Called stratospheric ozone, good ozone occurs naturally in the upper atmosphere, where it forms a protective layer that shields us from the sun's harmful ultraviolet rays.

Explanation:

I searched and found my answer on Go ogle.

6 0
3 years ago
Santi is walking barefoot through his yard when he steps on a sharp rock. The skin on the bottom of his foot sends
Travka [436]

Answer:

Santi is walking barefoot through his yard when he steps on a sharp rock. The skin on the bottom of his foot sends  this information through a(n)  <em>sensory</em> neuron to his CNS. A(n) <em>interneuron</em> picks up  this information and carries it to <em>motor neurons of the CNS</em>, which sends a signal to the muscles in his foot causing his  foot to pull away from the rock.

Explanation:

The scenarios discussed in the question is known as a reflex action. In this action, specific receptors detect specific stimuli. For example, pain in the barefoot due to steeping on a sharp rock was the stimuli. This stimulus was detected by the sensory neurons. The sensory neurons turned this information into a chemical signal which was transported by the interneurons to the motor neurons of the CNS. The CNS detected the signal and gave information for a response as a result of which Santi pulled back his feet.

5 0
3 years ago
Read 2 more answers
I need get a , a on this or I’m failing lol please help
Ierofanga [76]

Answer:

I think the answer is B, Rivers. Mountain ranges don't really help the environment much as can mostly only change the climate.

8 0
3 years ago
Read 2 more answers
What are the 3 reasons there is less biomass as you move up the food web
Serhud [2]

Answer:

hook it up on the web it should help

5 0
3 years ago
Read 2 more answers
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