Rewrite the sentence so that it contains too + adjective + to - ifninitive. Do not include for us

I. Rewrite the sentence so that it contains too + adjective + to - ìninitive. Do not include for us
a. Some part of the universe are very distant so we can’t visit them.
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b. The atmosphere of Mars is very thin and we can’t breath it.
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c. Venus is very hot and we couldn’t land on it.
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d. For most people, a journey into space is very expensive and they can’t take it.
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e. Trips to most other planets are very dangerous so we don’t consider them
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f. The universe is very large, and we can’t explore it completely.
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g. Perhaps its meaning is difficult and so we can’t grasp it.
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