Suppose when you clap your hands you hear the echo a few seconds later. what can you say about the size of this room?

It's empty or fairly large, making the sounds from your hands bounce of the walls and therefore having it echo

Codominance is when alleles have the same amount of dominance and both are expressed in a heterozygous individual(ab blood type, roan cow). in a heterozygote with incomplete dominance, the phenotype seen is an intermediate of the dominant and recessive phenotype.(pink flowers when the dominant form is red snd recessive form is white)

Cells of an organism tell each other when predators are near.