River System........................
Answer:
ok, ill try to explain it to my best ability.
Explanation:
a global city is an important city thats more "well known." global cities are urban centers that take the role as significant landmarks within a globalized economic system. global cities have a lot of power, and theycan heavily impact global issues overtime. a good example of this is london, and thats why london is considered a global city. more examples of global cities include beijing, rome, paris, new york, singapore and tokyo.
Answer:
GMOs refers to organisms that have had changes in their DNA using genetic engineering and the threat is to make ssure they are safe for people because if this genetic modifications.
Explanation:
GMO food is food produce from organisms that have been genetically modified and people is concerned about the dangers of eating this food. However, scientific data have said that it doesn't generate a risk to human health but every GMO food needs to be examine.