Answer:
1. DNA and RNA I'm pretty sure
Is this a question or answer..I can't understand
It is either blending inheritance or merging inheritance. They both mix the parents' genes to produce conditions for their future offspring.
First they don't use oxygen, plants use the CO2 in the air and release oxygen out into the air after the plant used up the CO2
Answer:
The costal cartilage connects the ribs to the sternum. Costal cartilage normally allows forward movement of the ribs, providing flexibility to the chest wall. There are usually 12 pairs of cartilage associated with the rib cage.
please consider as brainlest if useful
