Based on the text above, judge the following items.

The expression “strung up” (l.30) could be replaced by anxious without effecting a change in the original meaning of the text.

Based on the article above, judge the following items.

The word “incidentally” (l.23) is a more formal equivalent of by the way.

Based on the article above, judge the following items.

The term “timeworn” (l.3) could be replaced by old without effecting any change in the original meaning of the text.

Taking the text above into consideration, judge the following items.

The term “figures” (l.3) could be replaced by representatives without effecting a change in the original meaning of the text.

Taking the text above into consideration, judge the following items.

The term “onset” (l.16) could be replaced by peak without effecting a change in the original meaning of the text.

The words in the text that mean SECA, ENCHENTE, CALOReCHUMBOare, respectively:

The linker BUTin “But carbon dioxide and other gases in the atmosphere trap the sun's heat” could be replaced, without change of meaning, by:

Consider the sentences below:

1. Global warming ___________ by the greenhouse effect.

2. When ice in the poles melt, sea levels ____________.

3. Carbon dioxide __________ the sun's heat.

4. An American scientist ___________ holes in the ozone layer.

Choose the alternative which presents the correct verb forms that complete the above sentences, respectively:

This aid is becoming increasingly popular in schools and institutions that can afford it. It permits the projection and manipulation of digitalized teaching content, both original and published. This aid is known as:

The correct for to write the number 29 in its ordinal form is: