The Earth Summit is also known as Rio de Janiero de Earth Summit, it is one of the major United Nations Conference and was held last June 3-4, 1992. There were:
1. 172 governments who participated
2. 2,400 non-governmental organizations
3. 17, 000 people at the parallel NGO
Monkey if you go back into time you can see that cels conect everything you have to limit the amount of information into something befrore it overloads
Answer:
aortic arches (earthworms)
Explanation:
Earthworms vessels link together
<span>Refraction happens when there</span> is a bending of path of a light wave as it
passes across the boundary separating two media and the degree of bending is
determined in part by the total change in velocity as the light<span> passes from one medium to the other. In
addition, the change in speed experienced by a
wave when it changes medium can result in a number of beautiful optical effects. </span>
