B is not the correct answer
Answer:
Asteroids
Explanation:
Much of our earth's water supply comes from the asteroids.
More research done suggested that much of the earth's water is being delivered by the asteroids.
The origin of earth's water can be tracked down by analyzing the ratio of the two isotopes of hydrogen molecule. On isotope is the ordinary hydrogen and the other is the deuterium.
Research and study suggests that there is a close match between the earth water's ratio of deuterium to hydrogen to that of the asteroids, which is rich in water and elements such as nitrogen and carbon.
Thus the answer is --- "Asteroids"
Answer:to combat something something
Explanation:i just did it
My Answer: Controversies that arise in majoritarian politics are most likely to be a wide cost and a wide benefit.
Hope I helped! :D
Answer:Take 4mg/day of folic acid beginning before conception and after one has conceived.
Explanation:
Neural tube defect is a birth defect which affect the infant's brain and spinal cord. This defect begins at the early stage of pregnancy as early as the first month of pregnancy. There are two prevalent neural tube defects namely a spina bifida and anencephaly. Anencephaly the major parts of the infant's brain and skull is undeveloped. Spina bifida result to partial closed spinal column, folic acid is crucial to take before and after one has conceived to avoid this defects affecting your child.
