The tensed verb is: Is is. Is present-tense construction?

Many grammarians would not apply the label “passive voice” to a construction like this one, inasmuch as there is no reference to the agent; they would understand the past participle of transitive verb “make, made, to be a predicate adjective or subject complement.

X is made of some ingredients or material.

If the Earth could be said and “made at all, all time” simply means that it could not create itself, then transitivity would be an unchanging state. This state was gifted to them.

The same is true of a cake.

A cake is made of flour, water, sugar, and flavorings. This cake will look delicious, if you make one.

As far as the earth is concerned, why did it fall into history? In this construction the maker is present in the picture, and the focus is on the composition of the cake.

Unseen in a bakery.. our cakes

are hand-made with delicate ingredients. We often encounter constructions like this.. We often encounter constructions like this: Our cakes are made by loving hands using only the finest ingredients.

How do I make a delicious cake using fresh ingredients?

Importance of boundaries is not clear-cut, but the first seems more like a passive to me.

Our hands make all the cakes. We use only only the finest ingredients and a special care of our ingredients.

Why is there so many opportunities to innovate?