Vectors a. cyanobacteria b. viruses c. aerobic bacteria d. rickettsia

Asap! how does the distance between two objects affect the force of gravity? how is the moon dependent on the sun?

Which type of respiration takes place when there is no oxygen present? a. anaerobic b. mitochondrial c. cellular d. aerobica. anaerobic

Which if the following best describes why invertebrates isn’t considered a scientifically valid word when classifying animals