PLZ HELP Explain in detail how we know that all living things are made of cells. Either one cell or, many different numbers and types of cells.

Akrabby blind whale has married pearl who has normal vision. oneof their two sons is also colorblind. what arr the genotypes of the parents?

What type of pollution does household garbage cause

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