I'm making the gas available to plants to see if they grow better with more carbon dioxide.

If you water something and add fertilizer, it will grow even better.

He supposed these things grew better in the dark.

"They grow better, put on weight faster and are less prone to disease."

Life grew better with the coming of summer, when the snow couldn't keep Chris away during the weekends.

But economists agree on one thing: to help the poor, you'd better grow.

And he had better grow used to the thought.

So long as people's hearts keep growing better, their heads do the same.

"You will even find ways to make it grow better."

But when they had been about ten days on the road the weather grew better.