Which statement describes a relationship that is an example of mutualis?
A. Bess drink nectar from and pollinate flowering plants.
B. Remoras attach to and eat food on a sea turtle.
C. Rabbits live in and eat vegetables from garden plants.
D. Ticks live on and drink blood from livestock.

characterization of nanoparticles is a critical step in nanomaterial production as it provides information of dimension, morphology, surface charge, distribution and degree of surface functionalization.

the statements that apply here about binary star system are

"have stars that might appear to wobble"

"often have one star that is brighter than other"

a binary star is a star system consisting of two stars revolving around their common barycenter. systems of two or more stars are called multiple star systems.