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IrinaK [193]
3 years ago
10

Researchers have discovered that the ear bones of mammals are homologous structures with parts of fish jaws. This suggests that

Biology
1 answer:
shutvik [7]3 years ago
8 0
I think that the answer to this question is letter B) Thanks for posting your questions on brainly
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In 1968 how many tons of CFC's were produced in the untied states​
Mrac [35]

Answer:

nearly one million tons per year

Explanation:

Midgely would receive the Society of Chemical Industry’s Perkin Medal for this research in 1937; in 1941, he was awarded the Priestley Medal, the American Chemical Society’s highest award, for his contributions to chemistry.

By the early 1970s, CFCs were in widespread use, and worldwide production of the compounds had reached nearly one million tons per year, representing roughly a $500 million slice of the chemical industry.

3 0
3 years ago
Help please question in the photo below thx
Amiraneli [1.4K]
The answer is b since it is the most red and if you look at a compass, it is southwest
5 0
3 years ago
Read 2 more answers
A neuron that carries information away from the central nervous system
Stels [109]

Answer:

Axon also called nerve fiber carries information away from the central nervous system

Explanation:

Neurons have their own structure whose main parts are the nucleus, cell body, and dendrites. There are many connections between neurons thanks to axons or small branches.

Axons help create a network whose function is to transmit messages from neuron to neuron. This process is called a synapse, which is the joining of axons to pulses with a velocity of 0.001 seconds.

4 0
3 years ago
Which statement best describes a characteristic of an ecosystem
shusha [124]

Answer:

<u>Infrastructure</u>

Infrastructure is an important characteristic as it influences accessibility to the environment by  land managers, and tourists alike. Unfortunately it can also increase the invasive potential  introduced species, such as weeds and feral animals as road vehicles are well known to act as  vectors for invasion of both weeds and feral animals. On the other hand roads improve access  to implement various management programs, and also provide access for land users.

3 0
3 years ago
The irregularly shaped area between the lungs tha contain the trachea is called the
LenaWriter [7]
Irregularly shaped area betweenthe two lungs, contains thetrachea. Diaphragm. muscular sheet that contracts to enlarge the thoracic cavity and draw air in. Pleura. Each lung is surrounded by a double layer serous membraneknown as pleura.
4 0
3 years ago
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