Without risking human lives, robotic technology such as "unmanned missions, probes, observatories, and landers" enables space exploration. Why does the part of this sentence in quotes referred to as robotic technology?

Which verb from is used to indicate the perfect progressive tense

Read the excerpt from part 2 of zeitoun. zeitoun woke with the sun and crawled out of his tent. the day was bright, and as far as he could see in any direction the city was underwater. . he could only think of judgment day, of noah and forty days of rain. and yet it was so quiet, so still. nothing moved. he sat on the roof and scanned the horizon, looking for any person, any animal or machine moving. nothing. as he did his morning prayers, a helicopter broke the silence, shooting across the treetops and heading downtown. why does the author include the details of zeitoun’s morning? to suggest the hopelessness of zeitoun’s situation to illustrate the solitary existence endured by survivors to establish zeitoun’s dedication to the rituals of his faith to reveal the military’s attempts at assistance

In the play jack and algernon tell lies so that they may further pursue pleasure and avoid obligations. have you ever lied for such a purpose? do you think it is always wrong to lie, or are there circumstances when lying might be okay. what consequences can arise from lying? if you want share an experience where you either told a lie or were lied to and the consequences that happened because of the dishonesty