A. They impede fish migration and spawning
I believe it is “animals and plants caanot directly use all the nitrogen found in our atmosphere”
The answer is glucose ( number 4)
Answer:
A) A tentative statement used to guide a scientific investigation is called scientific hypothesis.
As hypothesis is a proposed details of a phenomena, it can guide us in one way or another to carry out the scientific investigation.
B) Makes prediction about future events is scientific hypothesis.
Scientific hypothesis bases on the observation made predicts about future events, which could be either true or false.
C) Can be tested many independent researches is a scientific theory.
A scientific theory is developed when it has been passed through many researches and had gained acceptance too.
D) Both Scientific theory and hypothesis are based on the observations of the natural phenomena.
Firstly, an observation is made based on natural phenomena, which leads to questions, then research or study is carried out to answer these questions leading to the formation of a hypothesis which upon successful testing forms a theory.
E) Scientific theory is a well-established highly reliable explanation.
It a highly sustained explanation based on facts of nature, that are confirmed via a lot of experiments.
Most of the nerve fibers of the sympathetic division of the autonomic motor pathways arise from the inter-mediolateral horns of the gray matter of spinal cord.
<h3>
What is sympathetic nervous system ?</h3>
The autonomic system is up two types such as the sympathetic and parasympathetic systems.
Both subsystem work antagonistically but in an integrated manner.
Sympathetic system is highly essential for preparing our body during emergencies for 3 F responses such as fight, fright and flight.
During this response, sympathetic system activates complex pathways for faster breathing, increased heart rate and blood pressure.
Hence, the inter-mediolateral horns of the gray matter of spinal cord is correct answer.
Learn more about nervous system, here:
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