They are urged to consume at least 400 micrograms daily of folic acid
<span>The winds characterized by blowing in the middle latitudes of the Northern Hemisphere from the northeast are known as the Westerlies. </span><span>The westerlies are the </span>prevailing winds<span> from the west that move toward the east in the </span>middle latitudes<span> between 30-60 deg. </span>latitude<span>. The Westerlies come from high-pressure zones in the horse latitude, and they move towards the poles steering cyclones in this manner. </span>
<span>According to the nebular theory stars are formed in which sequence:
a. Interstellar clouds - "nebula" is a Latin word which means clouds. These clouds start to form and are composed of gases like hydrogen and helium.
b.Clumps - as the gases start to form and come together they form clumps of gases that are highly concentrated and they start to grow.
c. Gravitational forces - when clumps have grown into big sizes the gravitational forces that are found within it increases and are converted into kinetic energy of fast-moving particles that continuously bump into each other and create or generate heat.
</span><span>
d. Nuclear fission - as the clumps keep on colliding and creating heat (18 million degrees Fahrenheit), nuclear fission begins.
e. Outward pressure from the nuclear fission prevents the collapse of the gases, stabilizing the gases eventually creating a star. </span>
Answer:
Youngest ages are at the middle of the pattern (on the oceanic ridges) and the seafloor grows older moving outwards to each side of the middle. 4. Africa and South America used to be joined together in Pangea, but are now separated by the Atlantic Ocean
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In the Andes, at elevations of 12,000 feet, Darwin collected fossilized marine shells. The existence of marine shells at this altitude provided evidence that the deposit had been gradually uplifted to its present location.
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