Hello.
The answer is: 119m/s
Some kinds of signals, like the ones for muscle position travel on extra-fast nerve impulses at speeds of up to 390 feet per second (119 meter/second).
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a major factor is abiotic factors such as climatic conditions,edaphic factors such as soil trype and social factors such as availability of water and land use,
Biogeography is the study of distribution of plants and animals in a particular region. Biogeographers looks out for the effects of biotic and abiotic factors on the effect of the patterns of distribution.
The third law of motion says: for every action, there is and equal and opposite reaction. In the case of the octopus, this is nicely demonstrated with it's method of travelling. The octopus makes an action, which is it shooting water at high rates in a certain direction, and the equal and opposite reaction is that the octopus's shooting of water in certain direction, moves him into the opposite direction with the rate that it is shooting the water.
Answer:
The answer is either B or C im not to sure I hope this helps somewhat
Explanation:
Option A,
both limit movement of substances through the system
The sphincter muscle usually surrounds the openings in the body such as urethra, anus and performs the function of tightly closing the openings. When once the messages are received from the nervous system the sphincter relaxes and releases the material out of the opening during urination of excreting
The same is the function of valves in the circulatory system. They also prohibits the entry of blood from one chamber to other and then to the main circulatory system. The relaxes on receiving a signal from the brain and thus transfer blood from one chamber to the other.
