It means 50% more in the designed projects
I believe the answer to your question will be atrioventricular but don't cross out pulmonary it could possibly be the answer.
A - coaching a child as they attempt to use a yo yo.
when scaffolding, you build upon previous knowledge, supporting the one learning. Option B does it for the child, Option C doesn't offer instruction and Option D never works - rushing doesn't make anything better.