During the scenic tour of the national park, the cascading waterfall was photographed repeatedly. this sentence is in the active voice. passive voice. future tense. present tense.

The sentence above is in the passive voice.

Explanation:

In most English sentences with an action verb, the subject carries out the action denoted by the verb. Since the subject acts upon the verb, the sentences are said to be active. However,  you can change the order of words for the subject to be no longer active but being acted upon by the verb. In that case, the sentence becomes a passive voice sentence.

The sentence above is in the passive voice. You can see that the active sentence's direct object has been moved into the subject slot (the cascading waterfall), the active's sentence subject has been suppressed, and a form of auxiliary verb has been added to the main verb (was).

the unsaturated fatty acid is a fat consist of one or more double bond in the fatty acid chain. if it contains one double bond then called as monounsaturated fatty acid however if, it contains more than one bonds called as a polyunsaturated fatty acid. true fatty acids are called unsaturated fatty acids as it reduces the risk of high blood cholesterol and good for health.

the correct answer is: d