Help Will mark brainltiest

In a search a driver needs to look in a of distances far away to near, as well as to the left, right and rear of the vehicle, making efficient use of both central and fringe vision. a) fast manner b) systematic manner c) slow manner d) aggressive

Cross-training shoes are best for use in? a. group exercise classes b. tennis matches c. soccer games

What enzymes are presented in your saliva ?