Whether marina thinks positively about herself is an example of:
a. self-concept
b. reification
c. self-esteem
d. cognitive dissonance

the answer would be self esteem because it is the way you feel about the way you feel and think about your self. if you think negative about your self you have low- self esteem, but if you think positive you just have high self esteem

this statement is true.

forests are public goods, available for everybody. when usage of such a good becomes interesting for consumers and its usage increases, there can be a risk of overexploitation. it is a non rival good therefore, if one person consumes the good it does not reduce the availability for subsequent consumers.

these caracteristics require the establishment of measures in order to prevent the destruction of a commonly owned space, for example, to restrict the amount of people that have access to the same time.

a is the final ! : )