What organism is believed to be responsible for the rise in oxygen in the atmosphere during the early times of our planet?

A. Plants
B. Cyanobacteria
C. LUCA cells
D. Eukaryotes

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?

What is the main difference between the central nervous system (cns) and the peripheral nervous system (pns)? .the cns involves the brain and spinal cord, and the pns involves the body nerves. the cns involves the body nerves, and the pns involves the brain and spinal cord. the cns involves sensory neurons, and the pns involves motor neurons. the cns involves motor neurons, and the pns involves sensory neurons.

Hairs that clean dirt out of the air in your nasal passages are called: a. sinus b. trachea c. cilia d. mucus