You may find in your backyard, flying around or spinning a web. you may also find

The answer is Arthropoda.

Arthropoda is the great phylum that include insects, arachnids, myriapods, and crustaceans. Among these animals, insects can be found flying in the backyard, and arachnids spin a web. Crustaceans, such as crabs, lobsters, shrimp, are part of human cuisine.

2,7. 4,6

Explanation:

2 C2H6. +. 7O2. ==. 4. CO2. +. 6 H2O

Note. In such questions balance C first then H and finally O

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