Answer:
i think it is bone marrow or the brain because every cell has dna
B. Your mass is too low.
C. Mars is a larger planet than Earth.
D. Mars is a long distance away.
The correct answer is option D. Mars is a long distance away.
According to the universal law of gravitation, the effect of the force of gravity decreases as the distance increases. The gravitation force is inversely proportional to the radius or the distance. So, the gravitational force exhibited by the Mars is not experienced by us due to the large distance.
2)rock
3)compound
4)element
ELEMENT
A pure substance is one that is composed of only one type of material.
This material may not necessarily be made from only one type of element, but can be composed from different elements yet be pure. An example of this is water. Water is made up of oxygen and hydrogen. Water that is free of contamination is termed as pure.
Examples of pure substances are:
1.Gold
2. Iron
3. Carbon
4. Sugar
5. Nitrogen gas
6. Oxygen gas
7. Salt
Answer:
he topography of Nepal is quiet diverse. We have himalayas, hills and the terai. So topography, ethinicity, resources,language had been the bases of division of a country of the federal sturucture.
Explanation:
i hope this helps! :)
The four body systems that interact to allow a person to sneeze are the muscular system, immune system, nervous system, respiratory system (Option A).
In conclusion, the body systems that interact to allow a person to sneeze are the muscular system, immune system, nervous system, respiratory system (Option A is correct).
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Answer:
A
Explanation:
Muscular, immune, nervous and respiratory systems are involved in the process of sneezing. Sneezing is the natural defense mechanism of the human body. When any foreign particle enters the respiratory system then it irritates the respiratory epithelium and sends a signal to the brain through the 5th trigeminal nerve and sneezing reflex starts which involved skeleton muscles and respiratory system.