Answer: The answers are "dynamic", "pace of change and complex", "number of factors that are changing", "scarce", "high" and "difficult".
Explanation: At Celgene, the environment is dynamic because of the pace of change and complex and because of the number of factors that are changing. Resources are scarce. The managers at Celgene are facing conditions of high uncertainty. This means that it will be difficult for them to make strategic decisions about the types of products the company will offer in the future.