What led to new inventions in farming

Which of the following statements most accurately describes the requirement for the documentation of minors’ assent to participate in research? parents must approve written documentation.documentation is required unless waived by an irb.to protect minors documentation is always required.federal regulations do not require the documentation of minors’ assent.

Sariah enters a room with several chirping crickets in it. upon first entering the room, sariah can hear the chirping; however, as she begins to talk to her friends, she is no longer aware of the chirping even though it is still there. the fact that sariah no longer perceives the chirping sound demonstrates sensory

Which characteristics are true of the arabian desert? choose all answers that are correct.has land mostly below sea levelcovers almost the entire arabian peninsulacontains the largest sand sea in the worldhas very few people living there