Help me on this question what are the predators

electronic measurement tools display data on a screen after waiting for several minutes.

while some business owners prefer manual record keeping systems, most businesses use an electronic record keeping system - making it easier to capture information, generate reports and meet tax and legal reporting requirements.

explanation:

i believe the answer would be b. hope it : )

several tissues working together form an organ, and several organs together make up an organisms.

the group of cell that carries out special jobs are tissue.