Brain cells O form more quickly after birth.
connect to each other before birth.
O make up to 900 connections.
O develop as an infant grows.

I would say, develop as an infant grows.

Explanation:

After birth a infant grows more of its neuron connections for a few more years then the brain will stop producing the neuron connections. This statement backs up the answer that a majority of infants brains continue to grow as the infant grows.

creative crowdsourcing spans sourcing creative projects such as graphic design, crowdsourcing architecture, apparel design, movies, writing, company naming, illustration, etc.

explanation:

the answer is d

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