Why did Ming China demand that Europeans pay for goods with gold or silver?
A. The Ming needed money to pay for European goods
B. No Ming items interested Europeans
C. No European trade items interested them
D. The Ming lacked access to precious metals

Ageneral requirement for informed consent is that no informed consent may include any exculpatory language. exculpatory language is that which waives or appears to waive any of the subject’s legal rights or releases or appears to release those conducting the research from liability for negligence. which of the following statements in a consent form is an example of exculpatory language? taking part in the research is voluntary, but if you choose to take part, you waive the right to legal redress for any research-related injuries.your participation in this research is voluntary. if you choose not to participate, or change your mind later, your decision will not affect your relationship with the researcher or your right to other services that you may be eligible for.in the event of any distress you may have related to this research, you will be given access to appropriate resources.the researcher may stop you from taking part in this research without your consent if you experience side effects that make your emotional condition worse. if you become too emotionally distressed during the research, you may have to drop out.

Scientists are studying hurricanes to determine the number of hurricanes in the past 50 years that have caused greater than $1 million in damages. which best describes the population? hurricanes hurricanes that caused greater than $1 million in damages scientists scientists participating in the research

Why did the use of african slaves increase in the americans during the 1500s