which of these elements is rarely found in organic molecules?

a.

hydrogen

b.

oxygen

c.

barium

d.

carbon

Q: a pair of homologous chromosomesa) always has the same genes and the same allows b)always has the same genes c)always has the same alleles d)never has the same genes

Free brainliest! what is a characteistic of the american stradfordshire?

Where substance is produced during cellular respiration