Question

3. Encontre no texto os opostos das palavras na tabela

Solar energy has benefits and some limitations
Using solar energy has two main benefits:


Solar energy systems on buildings have minimal effects on the environment.
Solar energy also has some limitations:
•
The amount of sunlight reaching a square foot of the earth's surface is relatively small, so a large surface area is necessary to absorb or collect a useful amount of energy.

A tabela está lá em cima


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Answer 1

Resposta:

useless----------useful                                  great-------------minimal(?)

small-------------large                                    secondary-----main

Explicação:

talvez o minimal possa ser usado como oposto de great nesse contexto, exemplo:

'Solar energy systems on buildings have minimal effects'

'Solar energy systems on buildings have great effects'

minimal effects = efeitos mínimos, afetam minimamente

great effects = efeitos grandes, afetam muito (devastadores, etc.)