Q: Mold is often found growing on old bread. In a food chain, mold is a ___.
A: decomposer
Q: What do all mammals have in common that distinguishes them from birds?
A: fur
Q: When sugar is heated on a hot plate, it turns into a liquid. When the liquid sugar is cooled, a hard-crystalline substance is formed. This model best demonstrates the formation of
A: igneous rocks.
Q: About how often is a full moon observed from Earth's surface?
A:
once a month