Which of the following sentences shows the correct use of commas in a series? O
Cardiovascular activities such as walking swimming and, aerobic exercise classes can be a fun way to get a little
exercise each day.
O Having healthy snacks on hand, such as apples, celery, and whole grain crackers, makes it easier to eat well.
You can increase your quality of sleep by, going to bed at the same time each night waking up at the same time each
morning and avoiding caffeine late in the day.
Drinking water getting plenty of sleep, eating well and exercising, are some key elements of a good self-care routine.

i am almost certain that man symbolizes communism in this passage.

hope this

explanation:

ward, and charles cooley, felt that social conflict was a process that should be in exploring social processes and social problems. conflict as a functional social process." 

what is the book idiot with the brocken tester

comfortable

explanation:

one type of the adjectives is predicate adjective. a predicate adjective is an adjective which follows a linking verb and modifies or refers back to the main subject of that linking verb.

it usually is used just before the noun it modies.

here in this example:

'penguins seem comfortable in the coolest habitats', comfortable is the predicate adjective which follows the linking verb 'seem' and modifies the noun.