What does it mean for a disease to be congenital?

Iron reacts with oxygen to produce iron oxide (rust). this reaction is represented in an equation as 4fe + xo2 → 2fe2o3. identify the value of x that will balance the equation.

What are the characteristics of living things

Select all the offspring phenotypes that could be produced from a bbee x bbee cross (shown above). black fur, red eyes black fur, black eyes white fur, black eyes white fur, red eyes re la heller t est hulle elle l aila el answer : b & c b: black fur ,black eyes c: white fur , black eyes