Answer:
United Nations Conference on Environment and Development(UNCED)
Explanation:
The conference was held in 1992 at Rio de Janeiro, Brazil (June 3–14, 1992), to reconcile worldwide economic development with protection of the environment, The Statement of Principles on Forests, aimed at preserving the world’s rapidly vanishing tropical rainforests, is a nonbinding statement recommending that nations monitor and assess the impact of development on their forest resources and take steps to limit the damage done to them.
Free energy given out by companies, like light companies will make the workers not want to work there is a reason for jobs and payment if we don't work there will be no energy o if we give out free energy soon the workers will out want to work and later result with no energy left to give.Example a person got paid and the company gave free energy for someone you would want pay so they would give pay to you but later on they will run out of money to pay the workers because no one is paying for the energy.
It will be 25 beacues you add 2 down is 2 and add 2+3 is 5 so is 25 in total
2W+2L=66
W=1/2L
2(1/2L)+2L=66
Simplifies to L+2L=66
Simplifies to 3L=66
Or L=22.
If W=1/2L, then W =1/2(22).
W=11.
To check our work, 2W+2L=66.
2(11)+2(22)=66.
22+44=66
66=66 Check.