The benefits of USA in experience of having minerals and the disadvantages of having minerals​

What does the term "deforestation" mean? what landform are we studying that deforestation is impacting greatly in brazil? describe how and why this is happening. plz me!

If there were no system of checks and balance, the process of government would eventually fall apart. do you agree with this opinion? why or why not?

According to subpart d, research with children may be eligible for exemption when: the children will be asked to complete a surveythe research involves the use of educational teststhe children will be interviewed by the researcher. the research with children will involve participant observation with researcher interaction.