Answer:
We breathe in air which has a higher concentration of oxygen than carbon dioxide and we breathe out air with a higher concentration of carbon dioxide. Both the gases are present in the inhaled and the exhaled air.
Answer:
A It is an obligation of noncitizens and citizens alike.
Explanation:
Answer:
to give support to someone or something for eg 1 The singer is being paid to support the soft drink in a series of commercials. 2.In order to get the job, Jane must find someone to support her as a good babysitter.
Explanation:
The correct answer is that communication is irreversible.
In the given situation, Amber is still hurt due to the things that John had said unto her, especially calling her a "slob". Though they already made up, Amber still feels upset, because she thinks that what John has said is true. John is experiencing the irreversible aspect of communication, wherein communication cannot be taken back, whatever you might have said, will stay that way. It cannot be changed nor taken back.
Answer:
The settlers, who arrived in 1587, disappeared in 1590, leaving behind only two clues: the words "Croatoan" carved into a fort's gatepost and "Cro" etched into a tree. Theories about the disappearance have ranged from an annihilating disease to a violent rampage by local Native American tribes.
Explanation: