Which of the following statements is true? all cells contain at least one tissue. organs are made up of cells and tissues. tissues are made up of organs and cells. only some organs contain cells.

Organs are made up of cells and tissues, because cells make up tissues, tissues make up organs, and organs make up organ systems. Hope this helps !

acid rain does not usually kill trees directly. instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil. the main atmospheric pollutants that affect trees are nitrates and sulphates.

space exploration has led to the development and technological improvement of many everyday items. (if this answer is wrong i will find the right answer) : )