Deberías preguntar cosas en el yahoo respuestas por qué aquí se tarda demasiado ;)
Hi
Something that is replaceable by new growth is renewable.
A person can avoid polarization by
spreading awareness among people about the significance about the unity. By giving motivational speeches or by sticking posters around.
Six,excellent is the apostrophe
Walking is an easy and safe exercise for beginners.
Walking has a low risk of injury and requires sneakers in a good condition.