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Completar la fraseChoose the correct indefinite or negative expression to complete the following sentences. WRITE ONLY THE LETTER in the blank.   1.[BLANK-1]No fuimos _____________ al mar con Marcos.     a.nada               b.nunca  c.no        2.[BLANK-2]______________ damos un paseo ______________ vamos a un concierto esta tarde.    a.Sí… sí               b.o… o  c.algo… algo        3.[BLANK-3]______________ está caminando por la calle.    a.Algún               b.Algo  c.Alguien        4.[BLANK-4]No vi a ______________ en el agua.    a.tampoco               b.nunca c.nadie         5.[BLANK-5]No quiero ______________ para comer, gracias.    a.nada               b.nunca c.ningún        6.[BLANK-6]Nosotros ______________ hacemos nuestra tarea después de clase.    a.algo               b.siempre c.alguien        7.[BLANK-7]Nunca me das ______________ regalo.     a.ningún               b.ninguna c.nada        8.[BLANK-8]No me llevas ______________ a la discoteca ______________ al cine.    a.no… no               b.nada… nada c.ni… ni        

Climate change can influence the ecosystem levels. However, these influences do not impact the communities of organisms.

The light reactions of photosynthesis occur within the______ of the chloroplast and the Calvin cycle reactions occur within the______ of the chloroplast.

Which part of solar energy is important in photosynthesis?

In the carbon cycle, the process of photosynthesis______ atmospheric , and cellular respiration______ atmospheric .

Fires and volcanic activity are natural events that produce_____.

Since the 1950s, there has been a steady increase in the levels of atmospheric as a result of

Scientists are hopeful that there are solutions to climate change. What are the three things that are required to reduce the long-term impacts of climate change?

According to the evidence of climate change, there has been an overall______ in ocean and land temperature, and an overall______ in ice formations.

A(n)______ represents the interactions of biological communities and the abiotic factors within the inhabited location.