买德国假文凭/专业办德国学历/德国文凭证书Q薇208319974德国毕 业证成绩单

Look at the following answer choices and determine which belongs in the both category. testable, can be disproven explains natural phenomena, has evidence to support it prediction, tentative, one or more scientists working together well established, many different scientists working independently, highly reliable

What makes the results of a scientific experiment accurate? a) having multiple trials b) lacking any supporting data c) working in a lab d) using a hypothesis that is always true

9. wind power creates pollution. water air soil noise