There are many recessive diseases that can be passed down from both parents to child. If you knew that you and your partner could pass on a recessive disease, explain how you would have that conversation with your partner about having a child despite the slim chance of passing it on

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.

wegner's theory did not explain how the continents could move

explanation: