Answer:
yes. a ecosystem consist of both biotic and abiotic factor
The barrier is cultural differences.
John, growing up in America learned that eye contact is a way of respect and to show you are paying attention.
Where Cho, growing up in Asia, many Asian counties don't have this "custom" to call it that.
1.Artificial
c.blood and cells
c.presence or absence of a particular plasma
That right there is a line graph
