Awould best be defined as an explanation for an observation or series of observations that is substantiated by a considerable body of evidence.

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

The earths core is made up mainly of what 2 substances? 2. like an egg, earth has a core, a layer surrounding the core, and a thin, hard outer layer. which layers of the earth match the layers of an egg?

If t=tall and t=short what will be the physical appearance of the offspring the cross below? a.some will be tall and some will be short b.they will all be tall c.they will all be short d.they will be medium height