Basiically tools r usually multipurpose n equipment is designed for a specific task.
Cause and appear because these words need to be singular since the other words are plural
Explanation:
For example, “the old house” is a noun phrase. It is a phrase that describes and presents the noun “house.” “Fell down slowly” is a verb phrase, because it describes and presents the past tense verb “fell.” There are other phrases too, such as prepositional phrases, adjective phrases, and so on
The second one because Every aspect of global communication is influenced by cultural differences.
