The main building blocks of tissues and organs are

Proteins

Explanation:

The proteins are the main building blocks for the tissues and the organs and as they help the cells to grow and replenishment and repair of the tissue depends on them. They are thus used as a daily source of the dietary energy, and they serve as the basic unit of the function in the body and are known as the extracellular matrix.

When the volcano erupted, the dark red beans were easier to see and the light red beans were harder to see. This means the more dark red beans were eaten during days four, five, and six. If the pollution continued, there would be fewer and fewer dark red walking beans over time because they were being eaten more frequently.

Explanation:

this is not sample answer i just changed it up