Archaeologists have discovered Aztec stone temples, as well as metal and pottery artifacts.

identify the tense of each verb

Have discovered - present perfect simple tense

Explanation:

The present perfect tense is a tense used to tell about events that took place in the past but have consequences in the present. There are two types of present perfect tense:

We can see that the verb have discovered is an example of the present perfect simple tense.

You can see some more information about the present perfect simple tense in the image below:

sing because that is what they are doing in the sentence

explanation:

the simple predicate is the main verb in the predicate that tells what the subject does. example: my father fixed the dryer. read each sentence. draw a line under the complete predicate.

the answer is b-$11,337.